It has to be A i hope this helped
The heat flows between the two by the cup. The cup gives the coffee heat to the person and vise versa.
Hope this helps!
A I think that a bar graph would best represent this information.
He realized that the physical and chemical properties of elements<span> were related to their atomic mass in a '</span>periodic<span>' way, and </span>arranged<span> them so that groups of </span>elements<span> with similar properties fell into vertical columns in </span>his table<span>.
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