Answer:
Your answer is D. Excess nutrient levels
Explanation:
Increase arable land for farming.
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Answer:
95%
Explanation:
95%
Mars' atmosphere however is 95% carbon dioxide, 3% nitrogen, 1.6% argon, and it has traces of oxygen, carbon monoxide, water, methane, and other gases, along with a lot of dust.
Answer:
Culture, Topography, and Climate