By what process does nitrogen enter the living components of ecosystems?

The second process of the nitrogen cycle after nitrogen fixation in the atmosphere. Nitrogen enters the living components through a process called nitrogen assimilation. This is the absorption of nitrite ions in plants roots or through digestion of plants enriched with nitrogen. 

Answer:

9.9 years

step-by-step explanation:

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

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