A coral reef is made of<span> thin layers of calcium carbonate. </span>Coral<span> polyps form a living mat over a calcium carbonate skeleton.</span>
The biosphere covers basically every place on Earth where life exists. So, plants and animals, as well as microorganisms are part of the biosphere. Bio means life.
Answer:
C
Explanation:
Nearsightedness is what happens when the image does not reach the retina whereas farsightedness happens when light is focused beyond the retina.
<span>In a cell that is not dividing, the unwound, filamented mass of dna and associated proteins is called chromosome or chromatin. </span>
True or false the body often naturally seeks rest in the afternoon between 1:00 p.m. and 4:00p.m.
True