The Equatorial region has no other season except summer. What could be the reason ?
1. The length of day and night is more or less equal over the year 2. The Earth's rotational velocity is maximum at the Equator 3. The coriolis force is zero at the Equator
Select the correct answer using the code given below:

Options

A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2 and 3