However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.  Something with a lot less energy travels short distances or long distances?
short distances


(Question)
Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.  Kate makes a machine that is very unproductive, and it gets work done slowly, because it uses force in amounts that are lesser or greater?
(Answer)
lesser


Ques: The pupil automatically gets bigger or smaller to let more or less light in as needed.  If a dim light were shined in a person's eye, would their pupil size grow or shrink??
Ans: grow


(Q).
Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.  Using a truck instead of carrying things does what to physical labor Increases it or Decreases it?
(A).
Decreases it


Ques:As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.  Jeffrey increases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers increase or decrease?

Ans:increase


As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.  When we are increasing energy used while running what will happen speed up or slow down?
speed up