Answer:
a weightlifter lifts a 20 kilogram barbell above his head
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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One advantage would be fertility
RNA polymerase is guided to the correct place.