Course
Microbiology
Study Pack
Microbiology An Evolving Science
Set
Set 22: Microbes in Global Elemental Cycles

Question 30

(Multiple Choice)

Dinitrogen gas constitutes ________ of the atmosphere.

A) 10%
B) 79%
C) 69%
D) 21%
E) 0.03%

Answer

Previous Question Next Question

Terms Of Service

Community Guidlines

With the help of our biology study packs, we’ll make you an expert in the field.

©2023 Study Biology | Powered by Quiz+

Privacy Policy Terms Of Service Honor Code Community Guidlines Blog

Facebook Instagram X