Which 15th century Swiss doctor said: "Poison is in everything, and no thing
is without poison. The dosage makes it either a poison or a remedy."?
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In human beings, the total surface area of the intestines is equivalent to:
- An olympic swimming pool
- A tennis court
- A football pitch
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Which term represents the harmful effects of chemicals on the environment?
- Fatality
- Noxiousness
- Ecotoxicity
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What are bioindicators?
- Plant, animal or microbial species
- Scientists who study the environment
- Measurement instruments
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On what principle is the Canadian Environmental Damages Fund based?
- The polluter pays principle
- The claimant pays principle
- The insurer pays principle
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