The process by which any metal is extracted from its ore is A)reduction
B)electrolysis
C)displacement
D)decomposition

Label a-f based on the table using c for concentrated and d for dilute

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves