()

1. a steak knife is made up of which simple machines?

a. lever and pulley
b. wedge and screw
c. pulley and a screw
d. lever and wedge

2. a pair of scissors is made up of what simple machines?

a. wedge and screw
b. lever and pulley
c. lever and wedge
d. screw and pulley

3.the knee is an example of a simple machine in the human body.

true
false

The best and most correct answer among the choices provided by the first question is fourth choice which is "lever and wedge."
On the other hand, the best and most correct answer among the choices provided by the second question is  the first choice which is "screw and wege."
Lastly, the best and most correct answer among the choices provided by the third question is  FALSE.
I hope my answer has come to your help. Thank you for posting your question here in . We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Ithink it’s c. 1 pm and 3 pm

Answer the above statement is (true);