Nitrogen exists as a in the atmosphere where __ atoms of nitrogen are bound together.

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet

Match each type of short-term climate change with its definition

Wind and moving water provide what kind of energy? a. chemical b. mechanical c. thermal d. none of the above