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mrs.sue

Questions and answers by mrs.sue

Questions (2)

Multicellular organisms must be protected from the external environment. Because of this, cells of even the simplest
1. 5 answers
2. 1,962 views
Addictive drug found in tobacco leaves *1 point Addictive drug Stimulant Nicotine Carcinogen Smoke exhaled from the lungs of a
1. 5 answers
2. 1,409 views