I assuming that you are asking me to identify which one a leaning telephone pole fits under so my answer is slump. Im sorry if that is in fact NOT what you were asking.
Because in the Western Central region, many rivers run through the mountains.
One cause is immigration. There is a lot of people immigrating to from other countries to the US. This has caused the population in the US to increase
Waves tend to travel faster through a hot material than a cold material. The reason behind this is that heat makes the waves obtain more kinetic energy. Thus, temperature and speed is directly proportional. As temperature rises, the speed of wave also increases.