Answer: d. assimilating the nitrogen into their own biomolecules.
Explanation: I just had this question for an assignment.
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Answer:
Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and CO2. O2 generally diffuses into cells because it is more concentrated outside of them, and CO2 typically diffuses out of cells because it is more concentrated inside of them.
D
Because most air pollution is caused by the burning of fossil fuels burned in the home
Answer:
red blood cells or formed in the red bone marrow of bones
