Answer:
a.
Explanation:
Engery is the driving force of the oxygen cycle is photosynthesis itself, which is responsible for the creation and maintenance of earth's atmosphere.
The consumption rate, or the rate at which food and resources are consumed, is a large influential factor on a group's fertility rate
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Answer:
endothermic is the right answer
<span> it is a faster means of reconnaissance then ground surveying </span>
Answer:
the sampling method because it involves continuing the total of numbers or organism.
