I don't really get this. :/ What should be measured to calculate the average rate at which the water in a cup cools? Change in mass of water and time in which the mass changes Change in weight of water and time in which the weight changes Change in volume of water and time in which the volume changes Change in temperature of water and time in which the temperature changes
D
An explanation would be good.
d is right
Erm... okay... :) Thanks.
When you say "cools', it indicates temperature is being discussed. as you can see, D does fulfill the requirements. It is a reword of part of the question.
average rate at which the water in a cup cools = time in which the temperature changes
http://openstudy.com/code-of-conduct btw Direct answers is against CoC. I hope the explanation cleared your confusion rather than give you the answer. Also, you can't rust direct answers because there is no back up.
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