How can a machine make work easier for you?

a. by decreasing the amount of work you do on an object
b. by changing the direction of your applied force
c. by increasing the the work done by the machine
d. none of the above

i think maybe a. but i'm leaning towards d.

This is what i found on google “lithium and sulfide can react together to form litium sulfide(li2s). when lithium sulfide hydrolyses(breaks down) in air, it releases hydrogen sulfide which is characteristized by a rotten egg odor.” i hope this you for what your looking for

English can you write this in english do we can you