Answer:
Plants take up nitrogen compounds through their roots. Animals obtain these compounds when they eat the plants. When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter re-enter the soil where they are broken down by microorganisms, known as decomposers
Explanation:
phenol, strong acids and bases are examples of hazardous chemicals that are
Answer:
corrosive chemicals thank you
What is the concept of genetic engineering? Cite its advantages and disadvantage (if there is any).
Answer:
Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.
Disadvantages
The nutritional value of foods can be less. .
Pathogens adapt to the new genetic profiles
There can be negative side effects that are unexpected
The amount of diversity developed can be less favorable
Copyrighted genetic engineering can have costly consequences.
Advantages
More nutritious food.
Tastier food.
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides.
Increased supply of food with reduced cost and longer shelf life.
Faster growing plants and animals.
Consider the following bones: femur, humerus, sternum, scapula, and rib. Which of these bones are flat?
Answer:
The ribs
Explanation:
The long ones are big and the flat bones like the ribs are mostly curved
How are the cells in the circulatory system helping me in the action of kicking a ball?Do some have specific jobs?
Answer:
Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobic exercise trains the heart to become more efficient.
Explanation:
can anyone heelp me
pls pls
Answer: lotion- semi-solid
capsule- solid
suspension- liquid
Explanation:
DNA synthesis involves unwinding two strands of parent DNA, copying each strand to synthesize complementary strands, and release of parent and daughter DNA. Which of the following accurately describes this process. Is this Anabolic or catabolic reaction
Answer:
This is an anabolic process.
Explanation:
DNA replication involves unwinding two strands of parent DNA, copying each strand to synthesize complementary strands, and releasing the parent and daughter DNA. Thus, it is an anabolic process.
please match these for me the last 2 are
-are uses a focused beam of electrons to see details inside small objects
-uses a probe to scan the surface of an object and create an image
What was the universe immediately before the Big Bang occurred?
a black hole
a singularity
a super spiral galaxy
a mass of antimatter
the answer is a black hole
The universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.
What is the Big bang?The big bang may be defined as the cosmic explosion that significantly marked the initiation of the universe according to the big bang theory. The origin of the universe is explained by the Big Bang theory.
At initial, the whole universe appeared like a black hole where no life is present. It was all the dark around each and every corner. The universe was an infinite stretch of ultrahot, dense material and everything consisted of empty space.
Before the big bang, the universe was almost infinitely small, dark, and a size less than a trillionth of a second. It was a period of inflation which is followed by a more catastrophic event which was violent, and known as the period of expansion.
Therefore, the universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.
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Discuss why insecticide sprays are ineffective in the fight against Zika and why scientists are looking for alternatives.
Answer:
Some existing methods for controlling Zika-carrying mosquitoes are not effective and may even be counter-productive.
Explanation:
It was found that while biological interventions did appear to reduce numbers of disease-carrying insects more than chemical controls, the quality of the evidence was often poor.
Which of the following is NOT a function of the nervous system?
a. receives information about your body
c. signals a response to stimuli
b. maintains homeostasis
d all of these are nervous system functions
Answer:
d
Explanation:
all of these are nervous system function
Answer:
D
Explanation:
All of these are nervous system functions, your nervous system controls your whole body. Since your nervous system is comprised of your brain and other things like the brain stem, everything in your body you can imagine is from the nervous system.
Marine biologists have determined that when a shark detects the presence of blood in the water, it will swim in the direction in which the concentration of the blood increases most rapidly. Based on tests conducted by the biologists, the concentration of blood (in parts per million) at a point P(x,y,z) on the surface of sea water is approximated by
Blood concentration is approximated by the distance from the source.
The concentration of blood at a point P(x,y,z) on the surface of sea water is approximated by the distance from the source where the blood moves. Point x is the place where the concentration of the blood is the highest because at this point the source of blood present.
At point y, the concentration of the blood is lower as compared to point x but higher than point z, while on the other hand, at point z the concentration of blood is the lowest due to its presence farther from the source so we can conclude that blood concentration is approximated by the distance from the source.
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During a third-trimester ultrasound, what would a doctor expect to observe in a fetus?
While distinctly Anthropoids, some Platyrrhines maintain a few of traits that are typically represented only in Prosimians. For this question, identify the seemingly primitive traits and discuss how their presence in both Platyrrhines and Prosimians may reflect an example of convergent (parallel) evolution. (150-250 wds)
Convergent evolution is the concept of two or more species evolving similar traits despite being completely unrelated to one another, including the absence of a common ancestor.
The Platyrrhines, more commonly known as "New World Monkeys", share many characteristics with the Prosimians. Some of these include:
Teeth layoutDietEyesight Sleeping habitsand more.
The Platyrrhines and the Prosimians are both nocturnal animals. Despite all other members of their family being active during the day, the Playrrhines have evolved nocturnal habits similar to that of the Prosimians. Aside from that, they feed on insects more so than fruit, which is reflected by the layout of their teeth, and have eyesight well adapted to dark conditions. All of these are traits they share with the Prosimians.
Despite being in different ecosystems and regions, and sharing no recent common ancestors, both of these species have evolved strikingly similar traits. This can be used to corroborate the theory of convergent evolution, which explains how two species can evolve very similar traits despite being unrelated.
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What is the genotype?
A A trait that will not be seen in the next generation of offspring.
B A trait that is hidden by another trait.
C The makeup of genetic material.
D What the trait looks like.
Answer:
C. La composición del material genético.
Explanation:
Answer:
The makeup of genetic material.
max points i can give PLZZZZ HELP
Answer:
there is no one in biology you gotta give up
Explanation:
What is the process X?
Answer:
digestion
Explanation:
since digestion is the breaking down of food particles to smaller sized molecules
3. Common reasons for landslides include all EXCEPT: *
(1 Point)
rain
O earthquakes
wildfires
space weather
Answer:
wildfires
hope it will help
Answer:
Space weather
Explanation:
Rain causes landslides.
Earthquakes cause landslides.
Wildfires cause landslides.
Space Weather has no geological effect possible to cause them.
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explain why we have to reduce the number of trees being cut down
Answer: Reasons for cutting down trees
Explanation:
Cutting trees is an essential tool for creating habitat conditions for many wildlife species, especially game species. Eighth, cutting trees is key to forest restoration efforts.
What is the biology
Answer:
science that studies living things
Explanation:
it includes plants and animals so basically anything that has life
Answer:
Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
Explanation: Branches of biology are different topics related to biology; for example the 3 major branches of biology are:
Botany, also called plant science, plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field
Zoology is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.
Microbiology is the study of microorganisms, those being unicellular, multicellular, or acellular. Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.
Q5. Arrange the sources of fresh water according to decreasing percentage distribution. Q6. Which among the sources of freshwater can be easily tapped for human use? Q7. Make a short reflection on the availability of freshwater to human use. Will there be enough water in the future?
Surface water (rivers and lakes) are the most available source of fresh water. The other sources of fresh water are largely unavailable.
Water on earth could be fresh water or salt water. The difference between the two is that freshwater is not salty. There is a limited quantity of available freshwater on earth.
Fresh water is found in glaciers, surface lakes and rivers and groundwater.The order of decreasing availability of fresh water on earth is ice> Groundwater > lakes and rivers (surface water).
Unfortunately, the source of freshwater that can easily be obtained for human use is surface water (lakes and rivers). There is only about [tex]1\frac{2}{3}[/tex]% available freshwater in rivers and lakes. About 87% of the world's fresh water supply is locked away in glaciers.
Given the limited availability of fresh water sources, the possibility of an water challenges in the world can not be over emphasized. Definitely, there may not be enough water in the future hence water conservation efforts must be taken seriously.
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One person pulls on a rope with a force of 400 N to the right. Another
person pulls on the opposite end with a force of 600 N to the left. What is
the net force?
Two forces are applied on the rope of the magnitude 400N to the right and 600N to the left, as a result of these forces the net force on the object will be 200N. Thus, the correct option is A.
What is Net force?Net force is the resultant force of the total force which is being applied on an object. It is the sum total of the effect of all the forces on an object. Forces which are applied in opposite directions cancel out each other.
If the net force applied on an object is not zero, then it can be said that the object is not in equilibrium, and thus Newton's Second Law can be used to determine the motion of the object.
Here, two forces of different magnitudes and in opposite directions are applied on the rope to pull the rope. The forces are 400N to the right and 600N to the left.
As a result of these forces, the net force applied on the rope can be calculated by:
Net force = Difference between the forces applied in opposite directions or the sum of the forces which are applied in same direction
Net force = 600N (force applied to the left) - 400N (force applied to the right)
Net force = 200 N and the direction will be left as the magnitude is more in left direction than right
Therefore, the correct option is A.
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5. What is the optimal pH for both enzymes in the picture? Where do you think they are found in the body? Enzyme Activity *Trypsin + Pepsin 9 11 3 十7 5 pH Figure 1. Activity levels of two digestive enzymes over a range of pH
Answer the following questions.
n 1) Plants Impact many things that we take for granted. Our lives are in many ways
Intertwined with theirs. Think about it. Which of the following listed daily events
demonstrates the importance of plants in our daily life? Select all that apply.
having a sandwich for lunch
sitting at wooden desks
I picking wildflowers
eating a favorite breakfast cereal
throwing a granite rock
asking permission to go to recess.
reading paper books and magazines
sleeping in beds under cotton sheets
Answer: reading paper books and magazines, sleeping in beds under cotton sheets, having a sandwich for lunch , sitting at wooden desks , I picking wildflowers , eating a favorite breakfast cereal.
Explanation: These are all correct because each has to deal with plants. For example, reading the paper books, sleeping in the bed and sitting at the wooden desk all have to due with the products that come from plants. Paper, cotton, and wood are all grown from plants and turned into resources. Next picking flowers, eating foods are also direct examples of how plants help us. Picking flowers that come directly from plants. Then eating food that is grown from plants shows that it is directly plants providing for humans.
Entre los siguientes métodos de separación de mezclas, Jorge debe seleccionar el adecuado para separar sal de una mezcla de sal y agua, en la que la sal se encuentra completamente disuelta.
50%
Teniendo en cuenta la composición de la mezcla, ¿cuál de los anteriores métodos debe usar Jorge para separar la sal?
Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
Evaporación, porque este método únicamente se usa para separar líquidos.
Filtración, porque la sal y el agua se mezclan muy bien.
Filtración, porque la sal es blanca y el agua transparente.
Teniendo en cuenta las definición de evaporación, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
El método de separación utilizado para el agua y la sal es: la evaporación.
La evaporación consiste en pasar el soluto disuelto en un liquido a estado gaseoso y ocurre al aumentar su temperatura de forma natural o artificial,. Dependiendo de que se desea evaporar se utiliza el material correspondiente. La técnica mas común es por contacto y puede acelerarse si utilizamos un material conductor dentro del liquido.
En otras palabras, se conoce que la evaporación es el proceso por el cual las distintas moléculas en estado líquido, como lo es en agua, pasan a un estado gaseoso de manera espontánea, siendo este el principal efecto de la evaporación.
Como se mencionó el método de separación utilizado para el agua y la sal es la evaporación. Durante este proceso, al aplicar calor, el agua se convierte en vapor y se libera al aire. La sal, como tiene otro punto de ebullición, no se evapora.
Entonces, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
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Answer:
the rabbit is getting energy from nuts ,and grass the squirrel is getting energy from nuts ,grasshoppers ,and grass
Answer:
the rabbit is getting it's energy from the grass and the squirrel is getting it from the nuts
Erythrocytes live for a maximum of.......days whereas platelets live for ....... days
Answer:
[tex]120 \: days;10 \: days.[/tex]
Explanation:
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hich elements are most like to form a binary ionic compound?
Select one:
a.
sodium and aluminum
b.
calcium and potassium
c.
phosphorus and oxygen
d.
lithium and nitrogen
e.
hydrosulfuric acid
A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.
1 point
What is the difference between a solid, a liquid and a gas of the same substance?
O None of the above are true.
Answer:solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume.
Explanation:
u want point answer this question how many different thing can be diffrent colors
Answer:
Millions of things, all of humanity can see millions, but as for the color, there is more than a million, infinity basically, you can make new colors, but can't see them.
Explanation:
Study says "A healthy human eye has three types of cone cells, each of which can register about 100 different color shades, therefore most researchers ballpark the number of colors we can distinguish at around a million."
why do stem get modified give any three examples and explain how this notification help the plant
Answer:
underground stem -- for storage of food ex. potato , ginger.
spines for protection ex. citrus , bougainvillea
Explanation:
Rhizomes and corms are underground stems, modified for the storage of food. Also, these stems help in vegetative reproduction of these plants. The tips of the underground stem in potato plants become swollen due to the accumulation of food. The potato is a tuber that helps in the storage of food and bears eyes on it.