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The atomic mass of an element is
Q1: Which of the following can appear as
Q3: The British unit of length closest to
Q8: The energy the world uses in a
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Q18: A frequency that is not an overtone
Q26: The oldest of the following is the<br>A)Atlantic
Q31: Most chemical reactions<br>A)absorb energy.<br>B)occur at rates that
Q34: Photosynthesis produces<br>A)carbohydrates.<br>B)proteins.<br>C)lipids.<br>D)All of these choices are correct.
Q35: The Gulf Stream is an ocean current
Q49: The number of protons in the nucleus