The pH of normal rainwater is 5.6. It's slightly acidic
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Answer: d :The blue and orange soccer balls; they have more mass than the black soccer ball, but changed speed by the same amount.
The correct answer for the following questions that are presented above are these ones:
(1) b. Pressure. The <span>physical effect can change the boiling point of a substance is the pressure.
(2) </span><span>Evaporation only occurs at the surface of a liquid. TRUE.</span><span>
(3) </span>d. freezing. The change from liquid to solid, or the reverse of melting, is called freezing.
