Answer:
"all the following are elements but"
Explanation: what is the following imao
How does all 4 of earths spheres interact in a event
Answer:
These spheres are closely connected. For example, many birds (biosphere) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). ... Events can occur naturally, such as an earthquake or a hurricane, or they can be caused by humans, such as an oil spill or air pollution.
Explanation:
in which situation would osmosis most likely occur
Answer:
Osmosis occurs until the concentration gradient of water goes to zero or until the hydrostatic pressure of the water balances the osmotic pressure. Osmosis occurs when there is a concentration gradient of a solute within a solution, but the membrane does not allow diffusion of the solute.
Explanation:
Process where gases in the atmosphere trap heat and regulate the earth's temperature
Answer:
Green house effect.
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere. The greenhouse effect is one of the things that makes Earth a comfortable place to live.
Answer:
it is the natural process that warms the Earth's surface. The process is called the greenhouse effect because the exchange of incoming and outgoing radiation that warms the planet works in a similar way to a greenhouse
Explanation:
Scientists attribute the global warming trend observed since the mid-20th century to the human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space.
Certain gases in the atmosphere block heat from escaping. Long-lived gases that remain semi-permanently in the atmosphere and do not respond physically or chemically to changes in temperature are described as "forcing" climate change. Gases, such as water vapor, which respond physically or chemically to changes in temperature are seen as "feedbacks.
Water vapor. The most abundant greenhouse gas, but importantly, it acts as a feedback to the climate. Water vapor increases as the Earth's atmosphere warms, but so does the possibility of clouds and precipitation, making these some of the most important feedback mechanisms to the greenhouse effect.
Carbon dioxide (CO2). A minor but very important component of the atmosphere, carbon dioxide is released through natural processes such as respiration and volcano eruptions and through human activities such as deforestation, land use changes, and burning fossil fuels. Humans have increased atmospheric CO2 concentration by 47% since the Industrial Revolution began. This is the most important long-lived "forcing" of climate change.
Methane. A hydrocarbon gas produced both through natural sources and human activities, including the decomposition of wastes in landfills, agriculture, and especially rice cultivation, as well as ruminant digestion and manure management associated with domestic livestock. On a molecule-for-molecule basis, methane is a far more active greenhouse gas than carbon dioxide, but also one which is much less abundant in the atmosphere.
Nitrous oxide. A powerful greenhouse gas produced by soil cultivation practices, especially the use of commercial and organic fertilizers, fossil fuel combustion, nitric acid production, and biomass burning.
Chlorofluorocarbons (CFCs). Synthetic compounds entirely of industrial origin used in a number of applications, but now largely regulated in production and release to the atmosphere by international agreement for their ability to contribute to destruction of the ozone layer. They are also greenhouse gases.
For question 3 please :(
Answer:
Secondary consumer
Explanation:
The algae is the producer.
The fish eats the algae first, so it's the primary consumer.
The eagle eats the fish which had eaten algae, so the eagle is the secondary consumer.
Hope that didn't confuse you ;D
Hope this helped :)
Which correctly lists three characteristics that are used to describe air? altitude, density, radiation O density, radiation, mass Omass, pressure, density Opressure, altitude, radiation
Answer:
The Correct Answer Is C
Explanation:
All Three Aspects are related to Air.
Air has mass, applies pressure, and takes up space. Therefore, option (C) describes the characteristics of air.
What is air?Air has particular qualities or features and is a mixture of gases, water vapor, and other elements. Gases make up air, which has mass, pressure, and weight as well as the ability to be compressed and be affected by temperature.
Nearly all of the air is made up of the molecules of two separate elements, nitrogen and oxygen. Carbon dioxide and argon, in trace levels, make up the remainder. (Trace amounts of other gases, including neon, helium, and methane, are also present.)
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Question 6 of 10
Pure liquid water has a pH of
O A. 8
O B. 9
O C. 7
O D. 6
Using the Scientific Method to Identify a Pathogen
The tests for these uncommon pathogens are similar to the ones that have already been performed for the common viruses, but in this case, you will try to identify the DNA or proteins of specific viruses that are not often seen in clinics or hospitals in that area of the country. Each region of the country has certain viral pathogens that are spread throughout the human population that live in that area. When one of these viruses spreads to a new area, we consider it to be "emerging" in this new population of people. Some detective work and deductions will be required. By applying the scientific method, you can focus and refine your list of possible viral pathogens to experimentally test for. You’ll begin your investigation by reviewing the patient’s history and symptoms and formulating a hypothesis for possible causative agents. Based on what you know of the scientific method, what would you like to do next?
Choose what
Answer:
The correct answer would be - design and run some tests or experiments.
Explanation:
The scientific method is an orderly or step by step process that helps in developing the knowledge about a particular scientific process. This process involves having a purpose, observe the characteristics, making a hypothesis with a possible explanation, designing a test or experiment for the hypothesis, analyzing the result or data, and making a conclusion.
In this experiment, the purpose, and observation of the already formulated so the next step would be designing a test and run the test to find the result or data for further investigation.
You have a cup of beans in front of you with 20 white beans and 20 red beans. These beans represent the alleles for a simple Mendelian trait, where red is dominant (R) and white is recessive (r). The cup holds the alleles for an entire population (the gene pool). Note: You may substitute other everyday objects (such as candies, coins, or paper clips) for the beans, but be sure to designate which objects represent the dominant versus recessive alleles.
How many alleles of each type are present in your overall population?
Answer:
Dominant: 20, Recessive: 20
Explanation:
The case shown in the question above explores simple Mendelian traits, since it shows a population where individuals of the same species present the dominant allele (R- red) and the recessive allele (r- white). We can project, then, that this population has an allele balance, where it is possible to find 20 red beans, which have the dominant allele and 20 white beans, which present the recessive allele.
How do limiting factors most affect population size?
3
stop population growth
O restrict population growth
O increase population growth
O decrease population growth
Answer:
restrict population growth
Answer:
b.
Explanation:
diamonds are very dense material predict what would happen to the light ray if you projected it from air through a diamond.
Answer:
If a light ray projected through a diamond, the light would refract snd it would act almost like a prism. It would make a rainbow, and the light would break up and disappear
The effects of anaerobic conditions
Answer:
Under anaerobic conditions (a lack of oxygen), the conversion of pyruvate to acetyl CoA stops. In the absence of oxygen, electron transport stops. NADH is no longer converted to NAD+, which is needed for the first three stages of cellular respiration.
Explanation:
lmk if I did anything wrong
Answer:
The effects of anoxia on water and solute transport across excised roots of young maize plants (Zea mays L. cv. Tanker) grown hydroponically have been studied. With the aid of the root pressure probe, root pressure (Pr), root hydraulic conductivity (Lpr), and root permeability (Psr), and reflection (σ sr) coefficients were measured using potassium nitrate (a typical nutrient salt) and sodium nitrate (an atypical nutrient salt) as solutes. During a period of 10–15 h, anaerobic treatment (0.0–0.2 g O2·m-3 in root medium) caused a decrease of root pressure by 0.01–0.28 MPa (by 10–80% of original root pressure) after a short transient increase. For a time period of 5 h, the decrease in the stationary root pressure was not reversible. Under anaerobic conditions, roots still behaved like osmometers and were not leaky. The root hydraulic conductivity measured in osmotic experiments (osmotic solute: NaNO3) was smaller by one to two orders of magnitude than that measured in the presence of hydrostatic gradients. Both the osmotic and hydrostatic hydraulic conductivity decreased during anaerobic treatment by 28 and 44%, respectively, at a constant reflection coefficient of the solutes (σ sr=0.3−1.0). As with root pressure, changes in root permeability to water and solutes were not reversible within 5 h. Under aerobic conditions and at low external concentrations (31–59 mOsmol·kg-1), osmotic response curves were monophasic for KNO3, i.e. there was no passive uptake of solutes. Response curves became biphasic at higher concentrations (100–150 mOsmol·kg-1)- For NaNO3, response curves were biphasic at all concentrations. Presumably, this pattern was a consequence of the fact that potassium had already accumulated in the xylem. During anoxia, accumulation of potassium in the xylem was reduced, and biphasic responses were also obtained at lower potassium concentrations applied to the medium. The results are discussed in terms of a pump/leak model of the root in which anoxia affects both the active ion pumping and the permeability of the root to nutrient salts (leakage). The effects of anaerobiosis on the passive transport properties of the root (Lpr, Psr, σ sr) are in line with the recently proposed ‘composite transport model of the root’.
What is the digestive hormone called cholecystokinin
Answer:
Answer is bile
Cholecystokinin is secreted by cells of the upper small intestine. Its secretion is stimulated by the introduction of hydrochloric acid, amino acids, or fatty acids into the stomach or duodenum. Cholecystokinin stimulates the gallbladder to contract and release stored bile into the intestine.
Nutritionists know that lipids are a vital nutrient that helps keep cells working properly. What is one way the cells in our bodies use lipids?
A to make amino acids
B to repair broken bones
C to form cell membranes
D to carry information in the cell
3. Where does the carbon dioxide for photosynthesis come from?
Identify the discovery that contributed to the radio
Which of the following statements regarding the human
population are TRUE? Select TWO.
SELECT ALL THAT APPLY
The world's population of humans is
increasing.
In every country, the human population is
increasing.
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Answer:
The first two
Explanation:
In most places the population is going up
Equipment required: A hair dryer, two glass beakers, glasses or glass jars, two thermometers, and enough water to fill one of the beakers or glasses.
Fill one beaker with tap water at room temperature and leave the other one empty. Place a thermometer in each beaker. Set the two beakers side-by-side and record the temperatures in each beaker. Using the hair dryer, blow hot air evenly for several minutes on the two beakers and monitor the temperatures in each beaker. How do the two beakers respond to the hot air?
Answer:
The temperature of the beaker with water should change very little compared with the beaker with just air, demonstrating that the heat capacity of water can resist changes in air temperature.
Explanation: EDMENTUM/PLATO ANSWER
The two beakers unequally respond to the hot air. This is because the beaker full of water has a heat holding capacity that can resist the alteration in the temperature when hot air is blown onto it.
What is Thermometer?A Thermometer may be defined as an instrument that can measure the temperature of a particular location significantly.
According to the question, the temperature of the beaker which is full of water changes very little as compared to the beaker which is empty.
Therefore, it is well described above.
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Label the 4 Layers of the Food Web by placing the correct organism in the correct location using the word bank provided to you
1.
Bass Fish
Perch Fish
Zooplankton
Water Lilly
Plz help me out and hurry thank you
Based on the phylogenetic tree, which two species are most closely related?
A. Alpaca and blue whale
B. Wild boar and Angus cattle
C. Angus cattle and white-tailed deer
D. Pygmy hippopotamus and white-tailed deer
Depending on the phylogenetic tree, the two species that are most closely related are option c. Angus cattle and white-tailed deer.
Relation of two species:Angus cattle and white-tailed deer should be considered as the two species as these are closely related since it should both be taxa species that represent the close relationship in the phylogenetic tree.
Also, phgmy hippotamus and while tail dear should be less closely related as compared to the option c.
Hence, the option c is correct.
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36. Why is it important to understand the relationships among animals?
Answer:
because they have feeling and we are animals ourself
Explanation:
.
Answer:
to know how to protect ecosystem
Explanation:
Spermatozoa and ovum are specialized cells that contain half the number of chromosomes from both parents. The spermatozoa and ovum combine chromosomes to create a fertilized egg with a full set of chromosomes.
Which process creates spermatozoa and ovum?
cell differentiation
cell growth
meiosis
mitosis
Answer:
c
Explanation:
A piece of steel has a mass of 1170g and a volume of 150 cm3. What is the density of
steel?*
Answer:
The answer is 7.80 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question
mass of metal = 1170 g
volume = 150 cm³
We have
[tex]density = \frac{1170}{150} = \frac{117}{15} = \frac{39}{5} \\ [/tex]
We have the final answer as
7.80 g/cm³Hope this helps you
Explain what you think would happen to an egg placed in salt water? Describe why this would occur.
Answer:
An egg placed in salt water will float!
Explanation:
In normal tap water, an egg will sink because it's density is greater than the density of water. But, when salt is added to the water, it's density becomes greater than the egg's density. The term used to describe this is "buoyancy."
Your spinal cord is part of your central nervous system.
True or false?
Answer:
The answer is True the spinal cord is part of your Central Nervous system, or CNS.
The primary function of ___ is to store food. Its cells
contain many amyloplasts that are filled with starch.
Answer:
Root tubers
Explanation:
Firstly, amyloplasts are a type of plastids whose function is to produce and store starch granules. Amyloplasts are found to be numerous in the cells of storage tissues in certain plants. The ROOT TUBERS of some plants like potato stores carbohydrate in form of starch in the amyloplast organelles present in their cells.
According to this question, the ROOT, which contains numerous starch-storing organelles called AMYLOPLAST, primarily functions to store food for the plant.
A student desined an experiment to test the affect of salt of the number of plant that lived in the water. what is the independent variable in the experiment
Write a sentence using the word “Satellite”.
Answer:
jamie looked out the window of her spacecraft The Wanderer, just to see an old rememece of Earth, a satellite.
Explanation:
Would an atom with high electronegativity more likely react with an atom with high ionization energy or low ionization energy?? Why???
Answer:
a high ionization atom
Explanation:
Answer
It would be more likely to react with an atom with low ionization energy. Electronegativity refers to an atoms ability to attract electrons to it. If it has a high electronegativity, it has an easier time attracting electrons. This is important when it comes to forming bonds in which electrons are being shared (like in covalent bonds).
hope this answers your question! :)
What is the basic unit of all living things?
tissue
organ system
organ
cell
Answer:
The cell is the basic unit of all living things.
Answer:
cell
Explanation:
Took the test
Identify 5 adaptations (anatomical and/or behavioral) these organisms have
that allow them to survive in that biome.
Ex. modified glands to get rid of excess salts. In Galveston bay tx
Answer:
Explanation:
Fish- Gills, allows to breathe under water
Shark- Small receptors on their heads allow for magnetic field sensing
Beavers- Slaps their tails when a animalgets close to their dam
Shrike Bird- Catches bugs and sticks them on thorns to impress potential mates
Birds Beaks- Birds have adapted to eat many different foods, their beaks show what kind of food they eat