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The energy that reaches the earth in cosmic rays is comparable to the energy that reaches the earth in
Q1: Muscles consist mainly of<br>A)carbohydrates.<br>B)proteins.<br>C)lipids.<br>D)nucleic acids.
Q13: The average efficiency of photosynthesis in utilizing
Q14: The quantum number n of the lowest
Q14: A projection to 2083 suggests that 10
Q28: Two waves meet at a time when
Q30: When a skater pulls in her arms
Q31: A star must have a certain minimum
Q34: A current-carrying wire is in a magnetic
Q41: The fact that no two electrons in
Q43: Most crustal rocks<br>A)were formed from compacted sediments.<br>B)were