A 16.95 g sample of sugar was added to a glass with a mass of 8.30 oz. What is the combined mass of the glass and the sample in ounces (oz.), grams (g), and milligrams (mg)? Show your work and
express your answers to the correct number of significant figures.

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

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Are oil and water a mixture or solution