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What types of chemicals can plastics carry that are considered harmful?
Plastics can carry beneficial nutrients and vitamins.
Plastics can carry chemicals like bisphenols and phthalates, which are harmful.
Plastics can carry harmless inert gases.
Plastics can carry essential amino acids.
Why are higher levels of plastics being found in human tissues today?
Plastics are decreasing in human tissues due to improved recycling methods.
Plastics are increasing in human tissues due to rising plastic production and pollution.
Plastics are stable in human tissues regardless of production levels.
Plastics are only found in human tissues due to genetic factors.
1. What types of chemicals can plastics carry that are considered harmful?
– Correct Answer: Plastics can carry chemicals like bisphenols and phthalates, which are harmful.
– Explanation: These chemical additives are used to make plastics flexible or to enhance durability but can leach into food or the environment, posing health risks.
2. Why are higher levels of plastics being found in human tissues today?
– Correct Answer: Plastics are increasing in human tissues due to rising plastic production and pollution.
– Explanation: The widespread use of plastics, combined with poor waste management and pollution, leads to microplastics entering the human body through food, water, and air exposure.