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Sladkaya [172]
3 years ago
14

13. Smoke exhaled from a smokers longs is called Mainstream smoke . True or false

Health
2 answers:
son4ous [18]3 years ago
8 0
False because mainstream smoke is defined as smoke from a cigarette or pipe. Second hand smoke is smoke that has been inhaled by someone then exhaled, making you the "second" one to breath it :)
astra-53 [7]3 years ago
8 0
The answer it its false. welcome!★
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Hello. This question is incomplete. The full question is:

If Sally has a fitness goal to improve her mile run time from 10 minutes and 15 seconds per mile to below 8 minutes and 30 seconds per mile in 3 months, which training plan using the heart rate zones would best help her achieve her goal?

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