Click on the radio button in front of the correct answers to the questions.
1.The planet closest to the sun is
Mercury Venus Mars
2. Mercury's orbit around the sun (revolution) is the short because
it is a small planet it has no moons it is closest to the sun
3. Mercury rotates more quickly on its axis than earth.
True False
4. There is a greater range in the temperatures on Mercury between day and night than on earth.