The smallest planet of the solar system is:
(a) Earth
(b) Mars
(c) Mercury
(d) Saturn
The biggest planet of the solar system is:
(a) Mars
(b) Saturn
(d) Jupiter
Which of the following is not a planet?
(a) Mercury
(c) Mars
(d) Moon
Asteroids revolve around the sun between the orbits of the planets:
(a) Mars and Earth
(b) Venus and Mars
(c) Jupiter and Mars
(d) Mars and Saturn