A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
Answer:
It stores glucose that is taken from food so that respiration can happen later.
It was exposed to oxygen. This is called oxidation and it's a chemical reaction, meaning it can't be reversed.
Sulfur and phosphorus compounds enter bodies of water, such as ponds, lakes, and rivers <span>as run-off containing fertilizers and detergents. And based by this, this would then be runned by sedimentation as the deposition of how the water would work and how it would enter the bodies such as the ponds and lakes and other forms of water areas.</span>