The circumference of Earth is most nearly ________.
A) 400 km
B) 4,000 km
C) 40,000 km
D) 4,000,000 km
Correct Answer:
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Q5: Aside from Earth,the terrestrial planets are _.
A)Mars,Mercury,and
Q6: Our Sun belongs to a galaxy known
Q9: In the heliocentric model _.
A)Earth orbits around
Q11: Over 2,000 years ago,an ancient Greek astronomer
Q12: An important contribution made by Copernicus is
Q13: Eratosthenes was the first person to accurately
Q14: Humans first realized that the Earth was
Q15: The Jovian planets are _.
A)Mars,Mercury,and Venus
B)Mars,Venus,and Jupiter
C)Jupiter,Saturn,Uranus,and
Q20: Which of the following is NOT considered
Q27: A light year is a unit that
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