») 2. Steel is an alloy of iron and carbon. Over time, in the presence of water and oxygen, the steel will rust.
Which of these is the best evidence that a chemical
reaction occurs when steel oxidizes?

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

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.