B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.
In terms of macromolecules, needed and utilized by organisms to carry out essential metabolic chemical reactions and for maintaining structure would be Lipids.
Lipid based molecules or Fats tend to store the most energy, as breaking chemical bonds connecting fatty acid chains of long hydrocarbons releases quite a bit of energy.
The answer is D.
An endothermic reaction involves absorbing heat whereas an exothermic involves releasing heat.
Answer:there always living
Explanation:
