I believe the answer is "D"
Answer:
loss of volatiles to the atmosphere
Explanation:
volatiles are the group of chemical elements and chemical compounds with low boiling points that are associated with a planet's or moon's crust or atmosphere. Examples include nitrogen, water, carbon dioxide, ammonia, hydrogen, etc.
Volatiles were accreted throughout the Earth’s formation, but Earth’s early accretion history was volatile poor.
Your answer would be, Letter (A), <span>Endemic diseases can result in decreasing population numbers: many people die from diseases, and others move away from or avoid moving to places where diseases are rampant.
Hope that helps!!!
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