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What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction