Click on the radio button in front of the correct answers to the questions.
1. The ninth planet from the sun most of the time is
Pluto Uranus Mars
2. Pluto is sometimes the eighth planet from the sun due to
being pushed by meteors in front of Neptune
the degree of tilt in its orbits
the paths of comets interfere and push it forward
3. Which of these is not a reason that Pluto would be a difficult place for humans to live?
It is very cold
Its orbit tilts
the atmosphere contains carbon monoxide.
4. Pluto is thought to have these many moons.
one two three