lungs or ribs that separate the two upper chambers from each other
Answer:
The amount of solar radiation that reaches any one spot on the Earth's surface varies according to: Local weather. Because the Earth is round, the sun strikes the surface at different angles, ranging from 0° (just above the horizon) to 90° (directly overhead).
Explanation:
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Answer:
B)an amine group, a functional R group, and a carboxyl group
Explanation:
