The planet having a period of rotation nearest the earth's is
A) Mercury.
B) Venus.
C) Mars.
D) Saturn.
Correct Answer:
Verified
Q6: Comets consist largely of
A) hydrogen.
B) iron.
C) ice
Q7: The planet with the longest day is
A)
Q8: A planet with no known satellites is
A)
Q9: Most of the mass in the solar
Q10: The number of comets that have thus
Q12: Meteors appear in the night sky
A) only
Q13: The largest known meteorite has a mass
Q14: The planet with the shortest year is
A)
Q15: Which of the following is not one
Q16: Compared to the inner planets, the outer
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