Analysis of a sample of an organic compound showed it to contain 39.9% carbon 6.9% hydrogen and
53.2% oxygen. Calculate the emperial formular​

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

all eukaryotic cell have mitochondria : )

yes

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