Answer : Hydrogen.......:
Remain calm
Swim with the current
Draw attention ( if she does not now how to swim)
Answer:
Explanation:
The nitrogen cycle is an important cycle to the atmosphere. Nitrogen is an essential part of biological molecules such as proteins and nucleic acid, which makes nitrogen essential for all living organisms. Nitrogen makes up 78 percent of the atmosphere.
I would say C or D
Hope This Helps
