Chemistry, 04.09.2020 01:01 tatenasira
Which of the following statements is true about the movement of fluid in a convection cell? A. Cool fluid rises because it is less dense B. Hot fluid rises because it is denser C. Cool fluid sinks because it is denser D. Hot fluid sinks because it is less dense
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Which of the following statements is true about the movement of fluid in a convection cell? A. Cool...
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