Answer:
d one is correct
Explanation:
as the electrical energy in the socket is transferred to the electric tea pot
Punishment is used to B. decrease behavior
Answer:

Explanation:
Let the distance from spotlight to wall be 15m, and distance from the man to the building be
.
#Therefore the height of the shadow as a function of the above is 
Hence, height of the shadow is expressed as s=(15-x)m
#See attached photo for illustration