The given figure shows the rotation and revolution of the earth on its axis and around the sun respectively. What kind of change does the earth undergo?
Moon rotates on its own axis as it revolves around the earth. How many rotations does it make in one revolution?
Question 6 The change in seasons on the earth occurs because (a) the distance between the earth and the sun is not constant. (b) the axis of rotation of the earth is parallel to the plane of its orbit. (c) the axis of rotation of the earth is perpendicular to the plane of its orbit. (d) the axis of rotation of the earth is tilted with respect to the plane of its orbit.