The classifying of organisms is called "Taxonomy" or the second option. Taxonomy mainly takes place with organisms although it could be used to classify anything. Taxonomy consists of a graph with eight categories all used to classify a living organism.
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Answer:
Tính nồng độ mol của dung dịch khi có 160g dung dịch CusO4 tan trong 2 Lít dung dịch
Answer: the second one multiplication
Explanation: