Which of the statements given above are correct? 1. P - waves are the first seismic waves to reach a place2. S - waves travel only through liquids3. Arrival time of P and S - waves is used to locate the epicentre4. Richter scale is a logarithmic scale

Which of the statements given above are correct? 1. P - waves are the

1.	Which of the statements given above are correct? 1. P - waves are the first seismic waves to reach a place2. S - waves travel only through liquids3. Arrival time of P and S - waves is used to locate the epicentre4. Richter scale is a logarithmic scale
A.	1, 2 and 3
B.	1, 3 and 4
C.	1 and 4
D.	3 and 4
Answer» C. 1 and 4