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Radar maps of Venus show impact craters.
Q1: The "framework" of molecules important for life
Q4: The explosion of a supernova typically leaves
Q22: Satellites of Jupiter that lack craters are
Q24: The high _ of quasars reveals to
Q28: DNA is coiled into a tight spiral
Q31: Henrietta Leavitt discovered the period-luminosity relationship for
Q35: _ protects the Earth from small meteorites
Q36: The Miller experiment created<br>A) life.<br>B) artificial proteins.<br>C)
Q44: The large planetesimals would have grown faster
Q90: What is approximately the earliest point that