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Answers by ChevCast

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A cellphone has a mass of about 350 grams. Another cellphone has a mass of 3 kilograms. Which cellphone is heavier and by how much?
answered Nov 14, 2017
7 votes
54.7k views
Which of the following writing topics is narrow enough for a short essay?
answered Apr 21, 2017
2 votes
118k views
Which of the following is a closed system or very close to a closed system? A. a block of iron sealed in a vacuum chamber B. a dish of ice cream sitting in the sunlight C. a stick of dynamite during an
answered Mar 29, 2017
5 votes
14.8k views
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