SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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traces
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affect
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radiation
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banned
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Detailed explanation-1: -: a mark or line left by something that has passed. also : footprint. : a path, trail, or road made by the passage of animals, people, or vehicles. 3. : a sign or evidence of some past thing : vestige.
Detailed explanation-2: -A trace of something is just a hint or suggestion of it, a very small amount left behind-like the sad cookie crumbs at the bottom of an empty cookie jar.
Detailed explanation-3: -noun. a surviving mark, sign, or evidence of the former existence, influence, or action of some agent or event; vestige: traces of an advanced civilization among the ruins.
Detailed explanation-4: -1 He seems to have vanished without trace. 2 We must trace the source of these noxious gases. 3 He could trace his ancestors back seven hundred years. 4 We must trace the source of these noxious.