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Kruka [31]
3 years ago
12

Until the middle of the 20th century, doctors sometimes suggested that

Biology
2 answers:
Alla [95]3 years ago
6 0
Not completely sure, but maybe C.?
san4es73 [151]3 years ago
5 0

Answer:

C. Studies have shown that tobacco and tar in cigarettes have negative health effects

P. S. It is perspective and it literally explains today's situation.

P. S. It explains

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