Answer:establishment of diasporic merchant communities
Explanation:
All others are wrong
The brains sends nerve waves to other parts of the body to make our skin say that something hurts.
The variable is the group that was given caffine, because thats what the doctors manipulated. They possibly altered the natural memory of the participants by giving them caffine. A more specific variable could be how much caffine each participant is given and what time are they given it.
The correct answer is C
oversqaured
it is also called short-stroke engine. Usually the bore diameter is<span> greater than its stroke length. This gives a bore/stroke ratio greater than 1:1.</span>