What delineates the boundaries of a relationship quadrangle map?

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.

yes, because even though a theory has a  lot of evidence to support it, it is not always true

i think this picture will you.

this would be called the responsiveness