PLEASE HELP I NEED IN 20 MINUTES Cells that lack checkpoints and fail to respond to cell cycle controls are:
A. Embryonic cells in the process of development; they have not yet established their checkpoints
B. Amniotic cells like epithelial cells
C. Defective, and may be cancerous
D. Those that divide at a steady rate regardless of environmental conditions

the answer is:A

Explanation:

Cells that lack checkpoints and fail to respond to cell cycle controls are not embryonic cells in process in process of development and cells that lack checkpoints and fail to respond to cell cycle are not embryonic cells that have not yet established their checkpoints.

hope this helps plz mark brainliest

i am going to guess that it is co2.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."