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Dennis_Churaev [7]
3 years ago
15

Some people have attached earlobes and some people have free earlobes the differences in these traits are caused by

Chemistry
2 answers:
Strike441 [17]3 years ago
7 0
The answer is Genetics because of Recessive and dominant genes
aliya0001 [1]3 years ago
3 0

Answer:

Genetics

Explanation:

BRAINLIEST PLZZ

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The mass of a solid copper penny is 5.43 g. How many copper atoms are in the penny?​
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