Explanation:
HIV virus is an RNA virus
B) It requires energy
D) It involves the help of carrier proteins.
Answer: In the atmosphere, nitrogen exists as a gas (N2), but in the soils it exists as nitrogen oxide, NO, and nitrogen dioxide, NO2, and when used as a fertilizer, can be found in other forms, such as ammonia, NH3, which can be processed even further into a different fertilizer, ammonium nitrate, or NH4NO3.
Explanation:
Either number 1 or number 3.
Bahahaha I don't even know.
sorry