Answer:
Enzymes are named according to <em>the reaction they catalyze</em>. Polymers are made of subunits joined together by different types of bonds, forming a macromolecule.
Hydrolases are used by the organism to catalyze the hydrolysis of polymers so they can be easily manipulated as monomers. Hydrolysis means reacting with water, water can break the bonds of different polymers turning it into its constitutive monomers.
Answer:
Oil
Explanation:
Since, unlike oil, source like wind, solar, water etc. come naturally we don't and can't replace them but when the viscosity in oil has been used up it must be change to allow the proper functioning of the machine.
The main form is carbon dioxide and methane