From the mid 1700s transport changed dramatically because : a) steam engines was produced
b)metal was invented
c)wheel was invented
d)electric train was invented
if u help me I will give brainliest mark and thanks on any of your 5 answers

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.

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