Question

Select the choice that best completes the following sentence. Simple machines
A. are tools that make work easier.
B. reduce the amount of energy needed to do work.
C. are made up of multiple moving parts.
D. cannot be combined to make compound machines.

Answer 1

I will share you my mind
a) all machines make work easier
c) simple machines mainly composed of one or two component
d)it may combine with others
so, I think you should think about b

Answer 2

ok thak u sooo much

Answer 3

u are welcome , but make sure from it

Answer 4

its a

Answer 5

@zack1313 is right XD