pl What happens when we disturb one of the biogeochemical cycles?
a. the global ecosystem becomes stressed and experiences imbalance
b. stuff gets messed up
c. plants and animals die
d. the global ecosystems experience homeostasis

c. the global ecosystem experience homeostasis

B

Explanation:

Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.