PLEASE ANSWER

If Sammy pushes on both boxes shown below with the same amount of force what will happen?

A. The 10kg box will move faster and farther than the 30kg box.
B. The 30kg box will move faster and farther than the 10kg box.
C. Both boxes will move at the same rate since they are being pushed with the same amount of force.
D. The motion cannot be determined.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.