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Y_Kistochka [10]
3 years ago
6

1. Which of the following are carcinogens (risk factors that are known to cause cancer)? a. harmful chemicals

Biology
2 answers:
butalik [34]3 years ago
8 0

Answer:

d. all of the above

Explanation:

Lera25 [3.4K]3 years ago
8 0
D. None of the above
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