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Harman [31]
3 years ago
5

Please help quickly !

Biology
2 answers:
FinnZ [79.3K]3 years ago
6 0

Answer:

B. The US surgeon general's report in 1964 declared that smoking cigarettes was linked to cancer.

D. Currently, the rate of increase of carbon dioxide in the atmosphere is more than double what it was in the 1960s.

Explanation:

correct on ed 2020

Anarel [89]3 years ago
5 0

Answer:

2 and 4

Explanation:

just did this on edge

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