What cause and effect relationship is described in this article? Beauty product sales have increased in developing countries because their people were
A
born after World War II.
Researchers test new products on synthetic skin because they cannot get enough
B
human hair.
с
L'Oreal has increased spending on beauty product research in order to employ more
research people.
The beauty industry is now very profitable because many people want to improve their
appearance.
D

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.

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