Are there any plants or animals that live only in the atmosphere?

Variety of living organisms; includes genetic, species, and ecological types.

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water