Anewborn baby’s brain grows rapidly. in fact, it has been found to increase in mass by
about 1.6 mg per minute.
a) how much does the brain’s weight increase in one day?
b) how long does it take for the brain’s weight to increase by 0.15 n?

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1a: 
(1.6 * 60) = growth per hour, GPH 
(GPH * 24) = Growth per day. 
1b: 
1N = 101.971621g (let's say 102g) 
so 0.15 * 102 = increase in grams, IIG 
IIG * 1000 = increase in milligrams, IIM 
IIM / 1.6 = how many minutes to reach that weight. 

No because a circle or pie graph usually shows percentages you'd need a line graph

You will hear a hissing sound because of the carbon dioxide escaping the can or bottle