In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)
Answer:
The curvature of the magnetic fields near the sun's equator creates pockets of the photosphere that aren't warmed by convection.
Explanation:
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A. Elevated land area that separates one watershed from another
I think the answer is (C). I hope this helps! :)