Answer: Oceans
Explanation:
Climate is primarily determined by the interaction between air and ocean. The warm wind circulate and makes the temperature feasible for life.
Oceans heat the air above it and it circulates from the equator region to the polar region to make the temperature optimum. The circulation of air due to ocean leads to climate change.
hence, these two factors are responsible for the climate of a region.
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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<span>The fossil Archaeopteryx is a species linking dinosaurs and birds (or modern birds)</span>
