3. Using the data table to the right, determine the identity of a cube of metal that measures 1.2 cm on each side and has a mass of 15.4 grams. A. Gold C. Nickel B. Silver D. Zinc

Draw metallic bonding if two copper

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

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.