MAIN IDEA: Some compounds form acids or bases. 10. In the pH table below, add labels to show which side of the table shows pHs that are more acidic, and which side shows pHs that are more basic. Then add a label to show which pH is neutral. 1 1 2 3 4 4. un 6 7 8 9 10 11 12 13 14​

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms