Look at the simple machine shown below and determine the mechanical advantage. A. 1.4
B. 0.2
C. 3.0
D. 4.9

If 1 lb of fat is stored by the body for each 14.6×103kj of excess nutritional energy consumed, how long will it take this person to gain 1 lb?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above