4 Select the correct answer.
Which of these is always equal to the molar mass of any element?
O A.
its atomic number
OB.
its atomic weight
O c.
its atomic formula
OD
its atomic structure
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What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

The science for classifying and naming organisms is known as

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism