A body 'A' moves with constant velocity on a straight line path tangential to the earth's surface. Another body 'B' is thrown vertically upwards, it goes to a height and falls back on earth. A third body 'C' is projected to an angle and follows a parabolic path as shown in figure

The bodies whose angular momentum relative to the centre of the earth is conserved are

Options

A. B only
B. B and C
C. A, B, C
D. None of the above

Answer

D