1. Sunlight warms the surface and water evaporates.
2. Warm, moist layer builds up between 1000 and 5000 feet.
3. Rising air currents organize into “thermals”
4. Water vapor in rising air parcels condenses to form clouds.
Answer:
trees
Explanation: its the only part of an ecosysstem that is living
Explanation:
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Answer:
Human skin pigmentation is the product of two clines produced by natural selection ... The populations exhibiting maximally depigmented skin are those ... &c., are of the nature which it might have been expected would have been ... The evolution of light pigmentation at high latitudes has long been related ...
Explanation:
