Days and nights are caused by :
1. rotation of the earth on its axis
2. revolution of the earth around the sun
3. inclination of the earth's axis

Days and nights are caused by :
1. rotation of the earth on its axis
2. revolution of the earth around the sun
3. inclination of the earth's axis Correct Answer Only 1 is correct

Earth's rotation is the rotation of Planet Earth around its own axis. Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counter clockwise.

Related Questions

Statements : Some dreams are nights. Some nights are days.

Conclusions :
I. All days are either nights or dreams.
II. Some days are nights.