Question

4.--------- plays an important role in the formation and enrichment of soil. *​

Answer 1

Answer:

climate

Explanation:

I hope this helps you please mark me as brain list and follow me

Answer 2

Answer:

4.--animal-- plays an important role in the formation and enrichment of soil. *

animal add humus to the soil thus,soil formations and humus is important in enriching the soil

we could also write ...living organisms...