Answer:
tar,nicotine
Explanation:
The main carcinogenic components of tabacco are nicotine and tar.
Answer:
The change of existing human infections and creature infections. Infections recently restricted to little, secluded populaces that would now be able to spread because of mechanical or social changes, for example, the improvement of moderate worldwide travel.
Answer:
Explanation:
Sumeena couldn't attend her class <u><em>because of</em></u> her illness.
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