What was used as an ancient poison but it's a necessary nutrient in our body
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Ответ:
Arsenic was used as an ancient poison but it's a necessary nutrient in our body.
Explanation:
Recent studies have suggested that arsenic has a physiological importance.Fish, grain and cereal products contribute most arsenic to the diet.The estimation of a possible human requirement is 12 micrograms per dayОтвет:
true
Explanation:
Materials science is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering. It includes elements of applied physics and chemistry, as well as chemical, mechanical, civil and electrical engineering.
and we all know matter involve solid liquid or gas