Answer:
about 70
Explanation:
At least 69 of these chemicals are known to cause cancer, and many are toxic.
70
tobacco smoke is made up of more than 7000 chemicals, including over 70 known to cause cancer (carcinogens)
a) Love - 15
In a game of tennis, the match starts with "love" or zero and goes up to 40. From love, it goes 15, 30, 40, then game point. Deuce refers to when the game is tied.
Hope this helps.
Answer:Conduct research
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