Question

is an atmospheric gas that is an important biologic compound, but it must be fixed to be usable by life - forms. microorganisms that can do this are housed in the of certain plants, such as clover and peanuts. a.) nitrogen; stems b.) carbon dioxide; seeds c.) nitrogen; roots d.) carbon dioxide; leaves

Explanation:

Nitrogen is an important atmospheric gas for life - forms but needs to be fixed. Nitrogen - fixing microorganisms are found in the roots of leguminous plants like clover and peanuts.

Answer:

c. Nitrogen; roots