Answer: Oxygen. Oxygen because both plants and animals need oxygen to breath. When the inhale its carbon dioxide but when they exhale its oxygen.
Explanation: im so sorry if its wrong i did a test on tath like two weeks ago sorry ◑﹏◐
A........................
Answer:
Hydrolysis adds a water molecule into the middle of a polymer chain. The water splits into an OH- and H+ group and they bond with either end of the now-split polymer, which will continue to occur rapidly until the polymer is broken down into monomers.
The opposite of this is dehydration synthesis, when the H+ and OH- groups bond and form a water molecule, leaving the ends of the monomers to bond on their own and create a polymer.
Explanation: