The frequency of waves are determined by the amount of waves that pass a specific point in a certain period of time and Radio stations broadcast their signals at different frequencies so that the range of radio frequencies can be used by many stations.
Answer: C An unfulfilled pledge by a political leader
Explanation:
The author refers to President Obama´s promise to provide deportation assistance for families, which he hasn´t fulfilled.
As the author recalls her parents being deported by immigration officers without any regard for the union of the family or her safety as a young teenager, she highlights the President´s responsibility for bringing a solution to a problem that has had families greaving over lost family members for too long.
Answer:
The answer is wind since they can be Prevailing, Seasonal, Westerly... YOU NAME IT.
