The earth is the only planet in our solar system that seems capable of supporting life as we know it. which of these characteristics not necessary if a planet or to support life? a: source of freshwater b: extreme global warming c: able to receive sunlight d: small changes in temperature

Ibelieve the answer is c also i'm in k12 too

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

Forms from the water cycle