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mylen [45]
3 years ago
12

Will mark brainliest

Biology
1 answer:
JulsSmile [24]3 years ago
4 0

Answer:

Although water is a renewable resource, the amount of fresh water available is limited. Most of the Earth's water is frozen and unavailable for human use.

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What do the following two equations represent?<br> 5x +y = 3<br> . 10x + 2y = -6
cupoosta [38]

Answer:

Choose distinct parallel lines.

Explanation:

They represent two parallel lines. The slopes are going to be the same in each line . Put the x value on the opposite side of the equal sign.

y = - 5x + 3           The slope is - 5

10x + 2y = - 6        Subtract 10x from both sides

2y = - 10x - 6         Divide by 2

y = -10x/2 - 6/2

y =-5x - 3

That minus three is the problem. You have 2 different y intercepts. That means that you have 2 parallel lines.

8 0
3 years ago
Which one of the following organs secrets enzymes that affect the digestion and absorption of nutrients in the small intestine?
Sveta_85 [38]

Answer:

Pancreas

Explanation:

It is the main organ that regulates nutrients and sugar flow in the blood. That is why diabetes and other diseases most commonly occur in the pancreas.

7 0
3 years ago
Read 2 more answers
black coffee has a pH of 5, therefore its H+ concentration is ______ times greater than a solution with a pH of 10.
Tju [1.3M]

Answer:

100,000

Explanation:

pH of coffee = 5

pH of solution = 10

Concentration of H+ ions between successive pH values are in multiples of 10

Hence, the pH difference :

pH of solution - pH of coffee

(10 - 5) = 5

Hence, difference in H+ ions will be :

10^5 = 10*10*10*10*10 = 100,000 times

6 0
3 years ago
Assume population b and population c evolve until they reach adaptive peaks and experience stabilizing selection. Both populatio
vlada-n [284]

That population will have less variability in size which has slower rate of mutation or has experience less mutation.

<h2>What is mutation? </h2>

A mutation refers to a change in a DNA sequence of an organism. Mutations can result from DNA copying mistakes that is made during cell division, exposure to radiation or chemicals which is called mutagens, or infection caused by viruses.

If mutation occurs slowly or not completed, it will leads to less variability in size so we can conclude that the population will have less variability in size has experience less mutation.

Learn more about variability here: brainly.com/question/17031191

4 0
3 years ago
How can a non living thing have an ecological footprint?
Elena-2011 [213]
Volcanos spew, ava volcano ash and gases into the environment. this is an effect on the local energy
5 0
3 years ago
Read 2 more answers
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