The nitrogen in our atmosphere is only usable to us after it is converted to

A. ammonia.
B. amino acids.
C. fertilizer.
D. nitrous oxide.


B. amino acids.

Biology & Microbiology

You might also like to view...

Which human cell type can be over a meter in length?

a. neurons b. chondrocytes c. columnar epithelial cells d. skeletal muscle cells e. adipocytes

Biology & Microbiology

Which system produces blood cells?

a. endocrine b. skeletal c. muscular d. defense e. integumentary

Biology & Microbiology

Swiss cheese production involves two fermentation stages

What will be an ideal response?

Biology & Microbiology

Solar radiation:a

powers the hydrologic and other biogeochemical cycles. b. is essential for chemosynthesis. c. is the product of a massive nuclear fission event. d. is eventually released from fossil fuels. e. is eventually released via decomposition

Biology & Microbiology