Biology, asked by adityasharmajan1051, 1 year ago

Using new detection techniques, researchers have found trace amounts of various medicinal substances in lakes and rivers. Taken in large quantities, these substances could have serious health effects, but they are present in quantities far too low to cause any physiological response in people who drink the water or bathe in it. Nevertheless, medical experts contend that eliminating thes kaplan

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Answered by akiash
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research is how much chemical percent is present in the water. .....I hope it is help full to u

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