The Organisms that formed them likely lived during the Paleozoic era.
I guess examples of solid and gas???? You have to be more descriptive.....
Answer:
Bonds are polar when one element in a compound is more electronegative than the other. This creates a dipole in the molecule where one end of the molecule is partially positive and one end is partially negative
Explanation:
I'd say the answer is D because they need to intake and keep as much water as possible.
