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Lena [83]
3 years ago
8

Please help!Gravity and magnetism are examples of?​

Chemistry
1 answer:
densk [106]3 years ago
5 0

Separation of materials

Refrigerator magnets to open and close doors

lawn mowers

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B. There is a very large percentage of C-12.

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Hello there!

In this case, according to the given information, it turns out possible for us to realize that, since the average atomic mass is 12.01 amu, then the C-12, with an atomic mass of 12.000 am prevails over C-13 with an atomic mass of 13.003 amu as long as the average is nearer to the former.

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Regards!

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