Answer:
Beaches affect other marine ecosystems by: Reducing sedimentation caused by coastal erosion; Acting as a filter the processes compounds entering the sea. Factors that limit the productivity of estuary ecosystems include: The need to survive osmotic stress; The depletion of the oxygen in the sediments.
HELP ME PLEASE!!!! Draw diagram the transmission of information in the human body during a reflex response to a harmful stimulus such as touching a hot dish. Label your diagram to identify structures carrying the information, the direction of impulse, and the starting and ending structures involved in the pathway.
A reflex arc is a pathway where nerve impulse is being carried and the response is generated and shown as a response through the effector organ.
What is Reflex arc?The reflex arc is a special type of neural circuit which begins with a sensory neuron at a receptor such as, a pain receptor and ends with a motor neuron at an effector such as, a skeletal muscle.
The reflex arc describes the pathway in which the nerve impulse is being carried and the response is generated and is shown by the effector organ.
The reflex arc typically consists of five major components, which are:
1. The receptor is present in the receptor organ in the body.
2. The sensory neuron conducts the nerve impulses which are present towards the central nervous system (CNS). The CNS is comprised of the brain and the spinal cord.
3. The information is transferred from one neuron to other neuron.
4. A motor neuron conducts the response through the nerve from the central nervous system to the effector organ.
5. The effector organ shows the response by the contraction or secretion of a product.
The instant movement is performed by the individual in response to the stimulus is called as a reflex action.
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If a family currently eats 3 pounds of beef and 7 pounds of chicken per week, how much water would they save by switching to 2 pounds of beef and 8 pounds of chicken per week?
The family would have saved a total of 4,426 gallons of water.
Dimensional analysisInitially:
3 pounds of beef = 1851 x 3 = 5553 gallons of water
7 pounds of chicken = 519 x 7 = 3633 gallons of water
Total gallons of water = 5533 + 3633 = 9,166 gallons
After cutting down:
2 pounds of beed = 1851 x 2 = 3702 gallons of water
8 pounds of chicken = 519 x 8 = 1038 gallons of water
Total gallons of water = 3702 + 1038 = 4,740 gallons
Difference = 9,166 - 4,740 = 4,426 gallons
In other words, a total of 4,426 gallons of water would have been saved if the family cuts down from 3 pounds of beef and 7 pounds of chicken to 2 pounds of beef and 8 pounds of chicken.
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How did growing wheat and grazing cattle contribute to the Dust Bowl?
Answer:
How did growing wheat and grazing cattle contribute to the Dust Bowl? Both contributed to erosion by removing the grasses that had conserved the soil and by breaking down the soil structure.
Answer:
Growing wheat and grazing cattle are two of the main farming activities that contributed to the Dust Bowl. The soil in the Great Plains had been over-farmed and over-grazed, leaving it vulnerable to strong winds that picked up the topsoil and caused massive dust storms. Wheat and cattle farming significantly depleted the grasses that used to grow naturally in the area, leaving the soil unprotected and vulnerable to erosion. The depletion of natural grasses was a key factor in the Dust Bowl, and the over-farming of wheat and cattle grazing contributed significantly to this environmental disaster
Explanation:
A student tries to move a toy cart on various surface using the same force. On which surface will the toy cart experience the least fri
The toy cart will encounter the least friction on a surface with a coefficient of static friction of 0.2 and a coefficient of kinetic friction of 0.1.
What kind of forces are produced when two surfaces try to move in the same direction or in the opposite direction?When two surfaces try to move in opposite directions while also trying to move in the same direction, frictional force is created.
How does applying Newton's second law to moving a cart work?Due to the full shopping cart's greater bulk compared to the empty one, it is simpler to push one than the other. This implies that pushing a fully loaded shopping cart will need greater effort.
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Question:
A student tries to move a toy cart on various surfaces using the same force. The surfaces have different coefficients of friction. On which surface will the toy cart experience the least friction?
a) A surface with a coefficient of static friction of 0.3 and a coefficient of kinetic friction of 0.2
b) A surface with a coefficient of static friction of 0.6 and a coefficient of kinetic friction of 0.4
c) A surface with a coefficient of static friction of 0.2 and a coefficient of kinetic friction of 0.1
d) A surface with a coefficient of static friction of 0.4 and a coefficient of kinetic friction of 0.3
Which of the statements about good experiments is true
Answer: A GOOD EXPERIMENTAL MUST INCLUDE ALL POSSIBLE CASUAL FACTORS.
Explanation:
Biotechnologists are attempting to reduce the impact of anthropogenic (human) carbon dioxide release on the environment by producing lamps that utilize bioluminescent algae as the light source. What property of the algae helps to reduce anthropogenic carbon dioxide? (3 points)
Group of answer choices
Bioluminescent algae consume carbon dioxide during respiration.
Bioluminescent algae consume carbon dioxide during photosynthesis
Bioluminescent algae release carbon dioxide during respiration.
Bioluminescent algae release carbon dioxide during photosynthesis.
Answer:
Bioluminescent algae consume carbon dioxide during photosynthesis. This property of bioluminescent algae helps to reduce anthropogenic (human-caused) carbon dioxide release on the environment as the algae utilize carbon dioxide during photosynthesis to produce energy and grow. Therefore, utilizing bioluminescent algae in lamps can help reduce the amount of carbon dioxide in the environment by consuming it during their growth and light production.
Explanation:
what climate has warm summers, mild winters, high precipitation and high humidity?
options are:
-marine
-tundra
-taiga (boreal forest)
-temperate coniferous forest
-temperate deciduous forest
-grassland
-desert
-tropical rainforest
-swamp
-marsh
-bog
Answer: Tropical Rainforest
Explanation: Tropical Rainforests because they have very high annual rainfall, high average temperatures, nutrient-poor soil, and high levels of biodiversity (species richness).
How does genetic variation get passed down in sexual reproduction and asexual reproduction ?
Genetic variation get passed down in sexual reproduction and asexual reproduction through the process of fusion of gametes and also the splitting of the parent cells.
What is Genetic variation?
This is referred to as the difference in DNA among individuals or the differences between populations.
Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. Asexual reproduction, on the other hand, does not need sperm and eggs since one organism splits into two organisms that have the same combination of genes.
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Analyze that data in the graph and describe the results. Provide reasoning to justify your answer.
Graph shows concentrations of NaCl outside the dialysis bag for a 0 percent solution in mg per L recorded at 40 second intervals for a total of 160 seconds. At 0 seconds the concentration is 0 mg per L, at 40 seconds the concentration is approximately 125 mg per L, at 80 seconds the concentration is approximately 220 mg per L, at 120 seconds the concentration is approximately 320 mg per L and at 160 seconds the concentration is approximately 400 mg per L.
The graph shows a clear trend of increasing NaCl concentrations outside the dialysis bag over time.
What is concentration?Concentration in chemistry is a measure of the amount of a substance present in a given quantity of another substance or solution. It is expressed as a ratio, percentage, or molarity. Concentration is an important factor in the study of chemical reactions, as the rate of reaction is often dependent on the amount of reactants present. It is also used in the study of physical properties, such as solubility, to determine how much of a solute can be dissolved in a given solvent.
This is likely due to the diffusion of solutes from a high concentration inside the dialysis bag to a lower concentration outside the bag. The rate of diffusion increases over time, as evidenced by the steadily increasing concentrations, until the concentrations outside the bag reach the same concentration as inside the bag, at which point the rate of diffusion slows significantly. This process is known as osmosis, and is driven by the difference in concentrations of solutes between two solutions on either side of a semi-permeable membrane. The graph demonstrates that the concentration of NaCl outside the dialysis bag increases at an exponential rate until it reaches equilibrium, which is likely due to osmosis.
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What is the Description of Entry or Exit Method for sunlight, oxygen, carbon dioxide and water?
Answer:
The entry and exit method refers to the pathway that allows substances to enter and exit a living organism or cell. Here are the pathways for sunlight, oxygen, carbon dioxide, and water:
Sunlight: Sunlight enters plants through the leaves by a process called photosynthesis. Chlorophyll pigments in the leaves absorb the sunlight, which is then used to convert carbon dioxide and water into glucose (sugar) and oxygen.Oxygen: Oxygen enters the body through the respiratory system. When we inhale, oxygen is taken in through the nose or mouth and travels down the trachea and bronchial tubes to reach the lungs, where it is exchanged for carbon dioxide in the blood.Carbon dioxide: Carbon dioxide exits the body through the respiratory system. When we exhale, carbon dioxide is released from the lungs and expelled through the nose or mouth.Water: Water enters the body through drinking or eating foods that contain water. It is then absorbed by the digestive system and transported throughout the body via the circulatory system. Water exits the body through urine, sweat, and breathing.Use the drop-down menus to select the names of the labeled structures.
Using the drop-down menus, the names of the labeled structures of the flower are:
A - stigmaB - petalWhat are the parts of a flower?Flowers are the reproductive structures of flowering plants.
They typically consist of four main parts: the sepals, petals, stamens, and pistil.
Sepals: Sepals are the outermost part of a flower and typically green in color. They enclose and protect the developing flower bud before it opens.Petals: Petals are the colorful, often fragrant, part of the flower that attract pollinators such as bees, butterflies, and hummingbirds. Stamens: Stamens are the male reproductive parts of a flower, consisting of a thin filament topped with a pollen-containing anther.Pistil: The pistil is the female reproductive part of a flower, located in the center of the flower. It typically consists of three parts: the stigma, style, and ovary. The stigma is the sticky tip of the pistil that receives pollen from the stamens.Learn more about parts of a flower at: https://brainly.com/question/29120519
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Answer: A.) stigma B.) Petal
Can confirm this is the answer
doing the test rn
Hope this helps anyone that comes here :) <3
Which of the following is true of shifting the hemoglobin binding curve to the left?
- Oxygen binding requires higher partial pressures.
- There is no effect of shifting the curve.
- Hemoglobin cannot be saturated.
- Oxygen binds more readily at lower partial pressures.
- Oxygen is more readily released to peripheral tissues.
Oxygen binds more readily at lower partial pressures. Hence, option D is correct.
What is the binding curve of hemoglobin?An illustration of the correlation between the quantity of oxygen bound to hemoglobin and the partial pressure of oxygen in the blood is the oxygen-hemoglobin dissociation curve. With a steep slope at low oxygen partial pressures and a more gradual slope at higher partial pressures, the curve is sigmoidal.
The statement "Oxygen binds more readily at lower partial pressures" is true of shifting the hemoglobin binding curve to the left. Hence, option D is correct.
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8. Which of these is NOT a characteristic of flatworms?
have bilateral symmetry
sense light with simple eyes
O have an entire system of digestive organs
Omost are parasitic
Explanation:
Have an entire system of digestive organs
Can every atom form each of these kinds of bonds?
Answer: No They Can Not\ XD
Why might some cells utilize anaerobic respiration even though aerobic respiration produces more energy?
Answer:porque muchas celulas tienen la capacidad solo de hacer respiracion anaerobica
Explanation:
Write down, in order, the organs that food passes through as it moves through the digestive system.
Mouth, Esophagus, Stomach, Small intestine, Long intestine, Anus
Galactosemia s a recessive human disease that is treatable by restricting lactose and glucose in the diet, Susan Smithers and her husband are both heterozygous for the galactosemia gene; a.
Susan is pregnant with twins. If she has fraternal (nonidentical) twins, what is the probability both of the twins will be girls who have galactosemia?
b.
If the twins are identical, what is the probability that both will be girls and have galactosemia?
For parts c-g, assume that none of the children is a twin.
L c. If Susan and her husband have four children, what is the probability that none of the four will have galactosemia?
d. If the couple has four children, what is the probability that at least one child will have galactosemia?
If the couple has four children, what is the probability that the first two will have galactosemia and the second two will not?
f.
If the couple has three children, what is the probability that two of the children will have galac-tosemia and one will not, regardless of order?
g.
If the couple has four childrên with galactosemia, what is the probability that their next child will have galactosemia?
There is a 1/16 (6.25%) chance that both twin girls will develop galactosemia.
What is galactosemia?Galactose, an simple sugar present in dairy products like milk, cannot be metabolized by the body due to galactosemia, a genetic condition. People with galactosemia are unable to break down the sugar galactose, which can lead to buildup of galactose in the body. This can lead to serious health problems including liver damage, kidney failure, and cataracts. Symptoms of galactosemia may include vomiting, diarrhea, jaundice, and lethargy. If left untreated, galactosemia can cause irreversible damage to the brain and other organs.
The probability that both of the twins will be girls who have galactosemia is 1/4 (25%).
The probability that none of the four children will have galactosemia is (1/4)^4, which is 0.0625 (6.25%).
The probability that at least one child will have galactosemia is 1 - (1/4)^4 = 0.9375 (93.75%).
The probability that the first two will have galactosemia and the second two will not is (1/4)^2 x (3/4)^2 = 0.140625 (14.0625%).
The probability that two of the children will have galactosemia and one will not, regardless of order, is 3 x (1/4)^2 x (3/4) = 0.140625 (14.0625%).
The probability that their next child will have galactosemia is 1/4 (25%).
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Value: 3
Water exists in the atmosphere in the form of
O a. ice
O b. vapor
O c. water
O d. snowflakes
1/4
that eventually condense into clouds
HELP PLEASE
Brady has a group he works with at work. He feels they all work well together, they feel connected and
committed to completing tasks. This is an example of:
A. Rules
B. Norms
C. Roles
D. Cohesiveness
E. Motivation
Scientists are working on programs that would allow brain signals to be converted into computer code. This has the potential to allow those with paralyzing injuries or patients in a coma to have their thoughts communicated to doctors and loved ones. Which group is directly impacted by the development of this technology?
Answer:
The development of brain-computer interfaces (BCIs) that convert brain signals into computer code would directly impact individuals with paralyzing injuries or patients in a coma who are unable to communicate through traditional means. By using BCIs, these individuals could potentially communicate their thoughts, feelings, and needs to their loved ones and medical professionals, thereby improving their quality of life and medical care.
Explanation:
Where does the salt in oceans come from?
Glaciers contain salt and melt into the ocean.
Pollution from trucks adds salt into the ocean.
Minerals from the land are washed into the ocean.
Decomposing fish and plants in the ocean increase salinity.
Answer:
bonjour,
Le sel de mer provient de l'action des eaux de ruissellement et des eaux souterraines sur la croûte continentale. Les ions apportés par les rivières se concentrent dans l'eau de mer car ces éléments sont peu réactifs avec les particules et les minéraux marins.
bonne soirée à vous
The majority of the salt in the oceans comes from the erosion of rocks on land. Over millions of years, weathering and erosion processes break down minerals and rocks on Earth's surface, releasing various dissolved ions into rivers and streams. Hence option B is correct.
The rivers then carry these dissolved minerals and ions, including salts, to the ocean. The water cycle plays a significant role in transporting these dissolved minerals from the land to the ocean.
Rainwater and runoff pick up minerals from the soil, which eventually reach rivers and flow into the ocean. This process has been occurring for millions of years, gradually increasing the salinity of the oceans.
Therefore, option B, Pollution from trucks adds salt into the ocean is correct.
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who is the first doctor in the world
Answer:
His name was Hippocrates of Kos. Hippocrates is believed to have laid the foundation stone of what is now known as medicine that too at a time when medical treatment was not only an inconceivable thought, but diseases were seen to be superstitious in nature and was believed to be a result of punishment by the gods.
Please answer the image
When tryptophan is not present, the repressor dissociates from the operator and RNA synthesis proceeds is the proper explanation of the repressor when tryptophan is absent.
What is tryptophan?Tryptophan is an essential amino acid, which means it is not naturally produced by the body and must be obtained through the diet. It is most commonly found in protein-rich foods such as meat, fish, eggs, dairy products, nuts, and seeds. Tryptophan is a precursor to the neurotransmitter serotonin and is also used by the body to make the sleep-inducing hormone melatonin. It is known to help with relaxation, sleep, and stress, and has been linked to improved mood and cognitive functioning. Additionally, it plays a role in the production of niacin, which is important for energy metabolism, healthy skin and nerves, and a healthy digestive system.
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Why does the world need to grow more food? Why do the methods need to be sustainable.
Answer:
They need to grow more food to provide for the growing population. The methods need to be sustainable because if it isn't you won't be able to produce more food
Explanation:
Answer: Sustainable food production is important because of the increasing threats from climate change, environmental degradation caused by food production, and rising food insecurity.
Listed below are the challenges of geothermal power plant deovelopment in the Philippines.
Lack of geothermal technical experts who can lead the development.
Continuous listing of geothermal resources.
Development and utilization of geothermal energy in secluded areas.
Here is a revised version of the list of challenges for geothermal power plant development in the Philippines:
Limited availability of skilled technical experts in geothermal energy development and management.
What does any challenge expect in order to overcome ?Challenges in the identification, exploration, and assessment of new geothermal resources for continuous supply of geothermal energy.Difficulties in developing and utilizing geothermal energy resources in remote or hard-to-reach locations, which often require significant investment in infrastructure and transmission lines.
Environmental and social issues related to geothermal exploration and development, including land use conflicts, water resource management, and potential impacts on local communities and ecosystems.
High upfront capital costs for geothermal power plant development, which can make it challenging to attract financing and investment.
Therefore, Regulatory and policy barriers, including complex permitting processes, legal frameworks, and market regulations that can hinder geothermal energy development and deployment.
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What weather conditions might bring snow that is good for
building a snow fort? Explain.
The ideal weather conditions for building a snow fort are those that produce snow that is sticky and packable. Generally, snow that is good for building a snow fort has the following characteristics:
Slightly wet: The snow should be slightly wet, as dry powdery snow does not pack well and can be difficult to work with. Wet snow is more cohesive and easily moldable, making it ideal for building snow structures.
Not too cold: The temperature should be cold enough to prevent the snow from melting but not too cold, as extremely low temperatures can make the snow too dry and powdery to pack.
Not too windy: Wind can cause snow to become too hard-packed, making it difficult to shape and mold.
Depth: There should be enough snow to work with, typically at least 6 inches deep.
When snow has these properties, it is easier to compact and shape into blocks for building snow forts. Additionally, slightly wet snow will freeze together overnight, making the snow fort more stable and durable. So, the best weather conditions for building a snow fort are those that produce slightly wet, packable snow that is not too cold or windy, and with sufficient depth of snow.
What class of Echinoderms do sea cucumbers belong to? Ophiuroidea Crinoidea Echinoidea (((((Holothuroidea)))))) I THINK ITS d
Holothuroidea class.Any of the 1,200 different kinds of marine creatures that make up the class Holothuroidea, a division of the phylum Echinodermata, are referred to as sea cucumbers.
What classification do echinoderms fit into?Sea stars, brittle stars, sea urchins, sand dollars, sea lilies or feathery stars, and holothuroidea are the five extant classes that make up the phylum echinoderms (sea cucumbers).Members of the sea star class Asteroidea are the most well-known echinoderms.
What makes sea cucumbers an echinoderm?Sea cucumbers, like all echinoderms, have both a haemal system and a water circulatory tissue that give their tentacles & tube feet the hydraulic pressure they need to move.The latter has well-developed arteries as well as exposed sinuses and is more sophisticated than those in other echinoderms.
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What amino acid is coded for by this sequence after the mutation?
Answer:
What amino acid is coded for by this sequence after the mutation?
The answer is "Histidine".
Explanation:
An animal that is not adapted to its environment is __________.
more likely to survive, and less likely to reproduce
more likely to survive, and more likely to reproduce
less likely to survive, and more likely to reproduce
less likely to survive, and less likely to reproduce
Answer:
less likely to survive, and less likely to reproduce
Explanation:
Answer:
less likely to survive, and less likely to reproduce
What causes a populations’ gene pool to change?
There are several factors that can cause a population's gene pool to change over time Mutation, Natural Selection, Genetic Drift, Gene Flow.
What are the factors for the gene pool ?Mutation: Random changes in DNA can create new alleles, or variants of genes, that may be beneficial, harmful, or neutral to the organism.
Natural Selection: Differential survival and reproduction of individuals with certain traits in a particular environment can lead to changes in the frequency of those traits in the population over time. This can result in adaptations that increase the fitness, or reproductive success, of individuals with those traits.
Genetic Drift: Random fluctuations in the frequency of alleles can occur in small populations due to chance events such as deaths or migrations, leading to changes in the gene pool.
Gene Flow: Movement of individuals or their genes between populations can introduce new alleles or change the frequency of existing ones.
Non-random mating: When individuals choose their mates based on certain traits, or when mating is constrained by geographical or social factors, it can lead to changes in the frequency of certain alleles in the population.
These factors can act independently or in combination to alter the genetic makeup of a population over time, leading to evolution.
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