7.Mercury is located 57.9 million km away from the sun while Earth is located 149.6 million km away
e sun. Which of the following can be the effect of their differences in distances?
A. Mercury is faster while Earth is slower to revolve around the sun
B. Mercury is slower while Earth is faster to revolve around the sun
C. Mercury is faster to rotate while Earth is slower to revolve.
D. Mercury is faster to revolve while Earth is slower to rotate around the sun
8.Which is true in the following statements in relation to revolution of planets around sun?
A The bigger the planet the faster to revolve around the sun
B. The smaller the planet the faster to revolve around the sun
C. The farthest the planet from the sun, the slowest to revolve.
D. The nearest the planet from the sun the slowest to revolve
9.Choose planet which does belong to the group
A. Mercury
C. Venus
B. Jupiter
D. Mars
10. Which of the following reasons why Earth is really different from other planets in the solar system?
A Earth is the only planet composed of nitrogen that is why life exists.
B. Earth is the only planet composed of large percentage of oxygen that is why life exists
C Earth is the only planet which is blue because of carbon dioxide that is why life exists
D. Earth is the only rocky planet that is why life exists​