Answer:
The answer is A) Phytoplankton grow rapidly in the lake then die and decompose.
Macromolecule polymers are assembled by the connecting of repeating monomers. For every subunit supplementary to a macromolecule one water molecule is detached. Macromolecule polymers are broken down by breaking bonds among subunits. This procedure is named hydrolysis and is the opposite of dehydration in which they are broken down over hydrolysis or the use of water to break down polymers.
The speed of an object is the distance the object travels in one unit of time. To calculate the speed of an object, divide the distance the object travels by the amount of time it takes to travel that distance.
Brainliest please? :)