When you rub your hands together on a cold day, you use friction to convert a. mechanical energy into thermal energy. b. thermal energy into nuclear energy. c. nuclear energy into electrical energy. d. electrical energy into electromagnetic energy. select the best answer from the choices provided a b c d
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The cluster of developing cells from conception until birth is called an
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Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed
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Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose
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When you rub your hands together on a cold day, you use friction to convert a. mechanical energy int...
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