PLS HELP ITS DNA MUTATIONS AND IDK WHAT TO DO

6) insertion               7) deletion             8) inversion      9) substitution

10) substitution        11) insertion            12) deletion      13) substitution

14) inversion            15) insertion            16) inversion       17) deletion                

18) insertion             19) Inversion           20) inversion

Explanation:

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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.