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Kaylis [27]
2 years ago
12

Item 5 How many of the chemicals created when tobacco burns are known to cause cancer? about 30 about 50 about 70 about 90

Health
2 answers:
Sveta_85 [38]2 years ago
7 0

Answer:

about 70

Explanation:

At least 69 of these chemicals are known to cause cancer, and many are toxic.

Basile [38]2 years ago
4 0

Answer:

70

Explanation:

tobacco smoke is made up of more than 7000 chemicals, including over 70 known to cause cancer (carcinogens)

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