The crust, which is Earths outer solid layer of rock, is around 20km thick if I remembered correctly, and the ocean is nowhere near that, so there would be rock under the ocean.

If you find a better answer, then use it, because I'm not completely sure, but that's my best guess based on the possible answers

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2 years ago

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Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The p

Hatshy [7]

Answer:

is hypotonic to the protozoans

Explanation:

The constant influx of water from the outside environment of the cell tells that <u>the environment is hypotonic to the cell</u>.

<em>A hypotonic environment is one with a lower solute concentration than the cytosol. Hence, water osmotically moves from the environment into the cells of the protozoans. The water needs to constantly be removed from the cells, otherwise, they will become turgid and lyse away their contents. </em>

4 0

2 years ago

Bonds between animo acids are what type of bonds?

Zolol [24]

The bonds between amino acids are PEPTIDE chemical bonds (Option B).

<h3>What is a peptide bond?</h3>

A peptide bond is a special type of chemical bond between adjacent amino acids in a polypeptide chain.

Peptide bonds are known to be formed by a chemical process called dehydration synthesis.

In conclusion, amino acids bind by PEPTIDE chemical bonds (Option B).

Learn more about peptide bonds here:

brainly.com/question/1974942

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