A.
Reason: state is the only one that makes the best since!
Heat as hot air rises thus causing a disruption in the flow of air
Well although computers help with construction, the fact that computers are used to "exchange information" is not construction. A is not right.
"Exchange information." That sounds like communication! B is right.
Production may be assisted by computers, but again, that is not what this problem is asking. C is not right.
Transportation is not right either for the same reasons. D is not right.
Answer is B.
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Answer:
It burns because of chemical propreties
Explanation:
Burning is a chemical change.
It climbs up the mantle to form a trench. Its not A because mountains form when 2 continental plates converge but since we are talking about an oceanic and a continental plate, that answer is not right and c and d make no sense what so ever