Companies from the united states have built many factories in mexico near the border. why have so many u. s. factories moved to mexico?

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.

answer; ///(true)/// fusion occurs in the sun's core;