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The only one i can see caused primarily by human activities would be A. Air Pollution.
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Answer:
About 30% of the solar energy that reaches Earth is reflected back into space. The rest is absorbed into Earth's atmosphere. The radiation warms the Earth's surface, and the surface radiates some of the energy back out in the form of infrared waves.
Explanation:
Legislation to protect refugees may not be the first thing that comes to mind in these days of debate over immigration reform.....
Answer: mantle and sillicates
Explanation: