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If the half-life of a radioactive substance is 600 years, what fraction of the original material would be left after 1,800 years?
Imported Food
Food products that are produced in one country and then transported and sold in another, often raising concerns about food miles and sustainability.
Genetic Mutations
Changes in the nucleotide sequence of the genetic material of an organism, which can result in variation within the population and can be heritable.
Low Levels
Conditions or quantities that are significantly less than the average or expected amount.
Long-term Exposure
Prolonged contact with or exposure to a particular environment or substance, often leading to gradual effects on health or system function.
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