Choose all the right answers. How do bacteria help the nitrogen cycle?
They release nitrogen in the air.
Bacteria build plant protein.
They make nitrogen chemicals which plants can use.
Bacteria help to release chemicals from dead plants and animals.

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation