Classify each of the following as a combination, decomposition, single displacement, double
displacement, or combustion reaction.
1. C(s) + O2(g) → CO2(g)

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life