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julia-pushkina [17]
3 years ago
15

If 3/4 of the earth is covered in water, why is water so scarce

Biology
2 answers:
vfiekz [6]3 years ago
4 0
Most of the water is salt water
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

Although the majority of the earth is covered in water the truth is that a very large percentage of the earth's water is not potable (drinkable).

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Which type of reproduction is better, sexual or asexual. Provide at least three reasons to support your answer.
yulyashka [42]
Asexual reproduction is better because it is more convenient!
1. It only requires one organism
2. Results in more offspring
3. Usually a quicker process
OR
Sexual reproduction is better because it results in more genetic diversity!
1. Requires two organisms of the same species
2. Genetic material mixes together to create a random, unique combination
3. Recombination of genes decreases the chances of defects, diseases and mutations

Hope this helped some! :)
8 0
3 years ago
Which statement correctly summarizes Wegener’s theory of continental drift?
GuDViN [60]

The correct answer would be D), over millions of years, Pangaea broke apart and drifted to form the seven continents.

7 0
3 years ago
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Why doesnt pepsin, the enzyme released in the stomach to
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Answer: unfavourable ph condition for the pepsin

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As biological catalyst, enzymes require an optimum temperature and pH condition.outside this temperature or pH,the enzyme is denatured.

In the stomach, hydrochloric acid is required to convert pepsinogen into it's active form,pepsin.the acid also creates an optimum low pH that pepsin needs to function.

As the food moves to the small intestine,the pH is alkaline and is unfavourable for pepsin to function.

4 0
3 years ago
Examine the evolutionary tree below. this tree tells us that the amnion is found in ________.
posledela

Answer:

this tree tells us that the amnion is found in mammals, lizards, snakes, crocodiles, and birds

Explanation:

4 0
3 years ago
Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the
tensa zangetsu [6.8K]

Answer:

C

Explanation:

7 0
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