The day is longer on the earth by about 4 minutes because : (a) the earth is round in shape (b) the earth rotates on its axis (c) the earth revolves around the sun (d) the earth has atmosphere
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.