Which of the following statements related to 'earthquakes' are true?
1.An earthquake is the shaking of the surface of the earth resulting from a sudden release of energy in the earth's lithosphere that creates seismic waves.
2.Earthquakes can also trigger landslides and occasionally volcanic activity.
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Answer: