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Most of the asteroids orbit the sun in a belt between the orbits of
Q8: DNA molecules cannot be altered by chance
Q13: A single human cell encloses about 1.5
Q32: Why is the cosmic microwave background (CMB)
Q32: Assume that the Province of Gauteng sold
Q45: The Milky Way is part of <img
Q45: The old surfaces of icy satellites of
Q50: What evidence exists that some of the
Q58: The region of Jupiter that is responsible
Q68: The _ planets have larger radii than
Q102: _ discovered Uranus using a telescope that