What occurs when one compound takes the place of another compound during a chemical reaction?
a. simple decomposition
c. chemical combination
b. double decomposition
d. replacement reaction

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.