Electricity is produced from dams in the following way:
water falling by gravity turns turbines, which creates electricity.
dams cause water to build up kinetic energy which naturally converts to electricity.
slow moving rivers create waterfalls that fall onto dams to create electricity.

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 they showed that organic molecules such as amino acids could be produced from inoragnic molecules;