How is groundwater replenished?

Answers

Answer 1

Answer: Water is a renewable resource, to a point. The current population of the world is using water at an alarming rate, and nature cannot keep up. You may think there is enough water on earth for everybody, but when you look at the numbers, the amount readily available for consumption is very little. Of the Earth's water, 97% is salt water and 3% is fresh water, but of that 3%, only 0.003% is available for human consumption. In industrialized countries, urban sprawl is increasingly paving over land, forcing rainfall to flow to surface water, rather than seeping back into underground aquifers. This is why groundwater replenishment programs are very important to the survival of the Earth and all of its inhabitants.

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An interaction in which one organism captures and feeds on another organism is called
What phrase defines community
which of the following best matches the fertilizer component with the molecule in which it will be incorporated by organisms in area?
To dust or not to dust? Residents are up in arms about the crop dusters that fly over the area from May through October, spraying insecticides and fungicides over cotton, peanuts, corn, and soybeans. Non-farming residents insist that the spray is causing an increase in respiratory problems among residents as well as a spike in the incidence of lung cancer. They want the crop dusting to stop! Farmers have hired a research group to investigate the claims of local residents. What comment would you make about the farmers attempt to satisfy local residents? A) The farmers idea is a good one since the researchers do not live in the area. B) Let the residents also hire a group to conduct the research and analyze the data. C) The agricultural chemical industry would be better suited to conduct the research. D) The research group hired by the farmers may present a biased picture of the situation.
Classify the statements below as describing proto-oncogenes or tumor suppressor genes. 1. Some products of these genes normally function in repairing damaged DNA. 2. These genes code for proteins that normally promote cell division. 3. Mutations that increase activity of these genes may lead to cancer. 4. These genes code for proteins that normally prevent uncontrolled cell division. 5. Loss-of-function mutations in these genes may lead to cancer.

~convert energy~have its own DNA
~found in almost all cells
~enclosed by two membranes

Answers

(Chloroplasts)
are found in unicellular organisms such as plants, and
(Mitochondria)
is found in almost all cells. (Chloroplasts convert light energy into sugar using photosynthesis,) and the (mitochondria converts sugar into ATP using cellular respiration.)

Both the mitochondria and chloroplast convert energy, have its own DNA, and are enclosed by two membranes.

:) Good?

What is the composition of the most common mineral compounds that make up Earth's crust and mantle? sulfates, oxygen, and one or more nonmetal elements carbonates, hydrogen, and one or more organic compounds silicon, oxygen, and one or more metal elements oxalates, oxygen, and one or more organic compounds

Answers

Answer:

silicon, oxygen, and one or more metal elements

Explanation:

The answer is Silicon, Oxygen, and one or more metal elements!! I took the test and got this answer right!

In this excerpt from the poem "Learning to Read" by Frances Ellen Watkins Harper, what is the meaning of the word rising?And said there is no use trying,
Oh! Chloe, you're too late;
But as I was rising sixty,
I had no time to wait.

A. advancing

B. approaching

C. increasing

D. elevating

E. succeeding

Answers

The correct option is B.
To be rising means to be going up or to be increasing. Based on the way the word 'rising was used in the given excerpt, the word implies approaching. What the character in the poem was trying to say is that, since he is approaching his 60th birthday, he felt that time is going and he can not afford to waste anytime again, so he set out to accomplish his desires.

Answer: B. approaching.

Explanation:

The word approaching means to come near to a certain distance, time or anything else.
In the given excerpt, the word rising is placed before sixty which indicates the age.
In the given poem the character is saying "but as I was rising sixty" this means that the word rising points out to reaching the age of sixty and because the word approaching means to come near to something, it is the most appropriate answer.

How can you determine how much energy a food item contains?A. taste the food
B. weigh the food
C. look at amount of Calories
D. look at what color the food is

Answers

C look at the amount of calories

Baker's yeast is a single-celled ascomycete that is used in bread making. Why does yeast make bread dough rise?

Answers

Answer:

Air cells of dough are filled with CO2.

Explanation:

Flour, water and yeast are important parts of bread dough. When we mix these the yeast enzyme will breakdown the satarch into simple sugars and metabolize the sugars to produce CO2 and ethyl alcohol into the existing air bubbles in dough.

Fermentation helps in producing the strong and elastin gluten to held the CO2 within the bubbles and inflate it. The more the air cell filled the more will be the bread dough rise.

Answer:

Presence of CO2 in the dough.

Explanation:

Yeast cells thrive on simple sugars. As the sugars are metabolized, carbon dioxide and alcohol.

chemical process known as fermentation.

Equation of Fermentation reaction:

C6H12O6(s) --> 2C2H5OH(aq) + 2CO2(g)

Tiny air cells fill with carbon dioxide are released into the bread dough, making it rise.

Which of these valves prevents a backflow of blood into the left atrium?aortic valve

tricuspid valve

mitral valve

Answers

The answer would be the mitral valve. The mitral valve is the one responsible for preventing any backflow of the blood into the left atrium. The mitral valve functions between the left atrium and left ventricle, and it contains two tapered cusps.

Final answer:

The mitral valve prevents a backflow of blood into the left atrium. It closes when the heart contracts, preventing blood from flowing back. Other valves like the aortic and tricuspid have different functions.

Explanation:

The mitral valve, also known as the bicuspid valve, is the valve that prevents a backflow of blood into the left atrium. This valve is located between the left atrium and the left ventricle. When the heart contracts, the mitral valve closes, preventing blood from flowing back into the atrium. The other valves listed, the aortic valve and the tricuspid valve, have different functions. The aortic valve controls blood flow from the left ventricle into the aorta, and the tricuspid valve prevents backflow of blood into the right atrium.

Learn more about Mitral Valve here:

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