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The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
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Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
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Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above
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Physics, 22.06.2019 17:40
Which component of the earth’s atmosphere is decreased due to photosynthesis?
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Scientists are often eager to learn more about the world around them. what is this attitude called?...
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