Ways to maintain balance in the biogeochemical cycle in the ecosystem
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A few steps taken by humans can help in maintaining the biogeochemical equilibrium in the ecosystem.

Avoid using phosphorus fertilizers and nitrogen fertilizers.

Avoid deforestration, and clearing of vegetation to increase the carbon sinks and decrease the atmospheric CO2 concentration.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.

the mediterranean sea