Environmental Science
What is Carcinogen?

Drugs used for curing cancer
Drugs for curing infectious disease
Food colourants
Cancer causing agent

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Environmental Science
Lead poisoning

increases O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of myoglobin in muscles
reduces O2 carrying capacity of myoglobin in muscles
reduces O2 carrying capacity of hemoglobin in blood

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