Answer:
The Correct option is "D"
Explanation:
By and large there is accessibility of plenitude daylight on a superficial level which gives different tiny fish and diatoms a space to develop, which additionally accommodates thick algal sprout. These algal sprout are obtrusive to such an extent that their thickness may exhaust the oxygen level and furthermore can slaughter the microscopic fishes.
Cytokinesis is a part of cell division, both Meiotic cell division and Mitotic cell division, when a parent cell is divided into two daughter cells and each daughter cell receives 50% of the cytoplasm, 50% of the organelles, and an exact copy of the parental DNA (in mitosis)
a variable is the right answer