How many hydrogen atoms are there in 7.30 moles of ethanol (C2H5OH)? 1.21 X 10-23 atoms
o 2.20 X 1025 atoms
O 2.64 X 1025 atoms
04.39 X 1024 atoms

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

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