Environment Studies (Science) (M.Phil./Ph.D.) 2018 Panjab University Entrance Exam With Answers

Practice Mode:
13.

Tides occur in the oceans and seas due to which among the following?

1. Gravitational force of the Sun
2. Gravitational force of the Moon
3. Centrifugal force of the Earth
Select the correct answer using the code given below.
A: 1 only
B: 2 and 3 only
C: 1 and 3 only
D: 1, 2 and 3

The answer is: D