Answer:
D: They have restricted cell division.
Explanation:
Pre cancerous cells often act like cancer cells and will grow at abnormal rates but unlike cancer cells they are unable to invade other organs
A dense growth of plant life in a aquatic ecosystem which many animals living there die(due to lack of enough oxygen present in water) and the ecosystem gets completely disrupted.
Eutrophication excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life.
Your going to need show us the experiment, sense all of those are functions there is no question or details for us to answer your question
A river basin is a region of land drained by a river system. I hope this helped ^^
