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Chemistry, 22.08.2019 10:00 Evixie84

Which group of elements are the most important for living organisms? \
a. carbon, lead, and tin
b. carbon, nitrogen, and oxygen
c. boron, aluminum, and nitrogen
d. arsenic, antimony, and oxygen

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Which group of elements are the most important for living organisms? \
a. carbon, lead, and ti...
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