Nitrogen gas consists of

1) two separate nitrogen atoms

2)a diatomic nitrogen atom

3)a molecule of two nitrogen atoms

4)a compound of nitrogen atoms

The location of the stomach is the diaprham

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

What are 3 reasons that natural selection occurs