Name the rise and fall of sea water due to the gravitational forces of the sun and the moon:

1. Tides
2. Waves
3. Spheres
4. Oscillations

The difference in height between high tide and low tide is called …………….

1. Ebb
2. Tidal wave
3. Tidal range
4. Tidal crest

Study the diagram and identify A and B.

1. A: High tide B: Low tide
2. A: Low tide B: Low tide
3. A: Low tide B: High tide
4. A: High tide B: High tide

Assertion (A): Tidal range is not constant.

Reason (R): Tidal range varies due to the earth's rotation on its axis.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.