What hypothesis did miller-urey test in their experiment?

a. organic molecules can form in a reducing atmosphere.
b. earth is a primordial soup.
c. organic molecules cannot survive in a reducing atmosphere.

heat released by collision processes during accretion, and heat from decay of radioactive elements

explanation:

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.