Johnnymaster2005 Johnnymaster2005

11-11-2017
Chemistry

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Are those correct if not tell me which are wrong I need help with number 21 also

Are those correct if not tell me which are wrong I need help with number 21 also class=

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DrZubair DrZubair

11-11-2017

For 23., you have to find a way to measure your heart rate not increase it. search it up on google.

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Ace111111 Ace111111

11-11-2017

For number 21, all you have to do is look at the bar graph and put the answer into a unit rate to make it easier

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