Which term best describe the earthworm's role in it's habitat

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

Explain the causes and effect of damage to the genetic code.