Pesticide residues appear in which of the following foods?
Correct answer: D. All of the above
- A. Milk
- B. Fruit
- C. Fish
- D. All of the above
Explanation
Pesticide residues can contaminate various parts of the food web. They can be present on the surface of fruits and vegetables, bioaccumulate in the fatty tissues of animals (leading to contamination of milk), and concentrate in aquatic ecosystems, contaminating fish.
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Atmospheric pollution includes smog, acid rain, greenhouse gases, ozone depletion and the effects of carbon monoxide, sulfur oxides, nitrogen oxides and particulate matter. Water pollution covers sewage, industrial waste, eutrophication and treatment stages, while green chemistry focuses on reducing hazardous substances, waste and energy use through safer, more efficient processes.
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