Abird flies from its nest going north for 2 hours at a speed of
20 km/h and then goes west for 3 hours at 15 km/h. what
are the distance coordinates for the bird relative to its nest?

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.