1-which of the following statements is not a description of saturn?

known for its rings
largest planet in the solar system
one of the gas giant planets
has several moons
2-which of the following statements is not a description of mars?

has a reddish color
has a thin atmosphere
one of the rocky planets
has no moons
3-planets move around the sun in elliptical orbits.

true
false
4-which of the following statements is not a description of asteroids?

they orbit the sun.
they vary in size and shape.
most of them lie in a belt between earth and mars.
they are thought to be remains that never formed a planet.
5-according to the chart below, which planet has the smallest inner core? (look at image)
mars
jupiter
venus
earth
6-two planets are orbiting a star. planet a is closer to the star than planet b. which description explains the expected motion of planets a and b?

the average speed of planet b is faster than that of planet a.
the average speed of planet b is equal to that of planet b.
the orbital period of planet b is shorter than that of planet a.
the orbital period of planet a is shorter than that of planet b.