When the length of day and night is equal the Sunrays falls perpendicular at –

The causes of Day and Night is –

Variations in the length of day and night time from season to season are due to –

The Earth's axis of rotation (polar axis) is always inclined at an angle of

The duration of its day and tilt of its axis are almost identical to those of the Earth. This is true of :

The distance between the earth and the sun is greater during