Answer:
Zooplankton - Animals (mostly microscopic) which drift freely in the water column.
Explanation: Zooplankton, small floating or weakly swimming organisms that drift with water currents and, with phytoplankton, make up the planktonic food supply upon which almost all oceanic organisms are ultimately dependent.
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Answer: look at the screenshot
The answer is The Nervous System.
It interacts with all the other systems, it tells them what to do.
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Answer:
air masses cooling as they increase in altitude and condense
Yes, this statement is true