Well he looked at the contents and saw they some of them had similar shapes so
It increases ecosystem productivity, protects fresh water resources, and provides nutrient storage and recycling
CH3- methyl group
COOH- carboxyl group
H2O- just water
NH2- amino goup
OH- hydroxyl group
the answer is H2O
It is a half and half chance, we just were learning about this! The one parent has wet and the other dry it would be half and half.
Each enzyme is comprised of covalently linked amino acids...enzymes are proteins