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Q6: Radioactive substance A breaks down to substance
Q10: Regions where humans produce high levels of
Q15: A farm field that has used only
Q17: Global satellite imagery of land on Earth
Q29: If the total global production of grains
Q38: Compared to forests using sustainable forest management,commercial
Q42: Restoration ecologists try to<br>A)restore destroyed or damaged
Q45: More oil can be expected from a
Q50: DDT was widely used,and remains in use
Q58: If a plowed farm field was restored