Answer: people, goods, and ideas
Explanation:
Geographer is the professional whose field of study is the interaction between the various space systems. Systems that can be social: <em>people</em> , economic: <em>goods</em> , political:<em> ideas</em>, geological, biogeographic etc.
<span>There are 19 States that are completely north of 40 degrees north latitude or otherwise known as the 40th parallel. The states that are north of the 40th parallel are as follows from west to east; Washington, Oregon, Idaho, Montana, Wyoming, North Dakota, South Dakota, Nebraska, Minnesota, Iowa, Wisconsin, Michigan, New York, Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire and Maine.</span>
The answer is friction. As ocean wave approach the shoreline, they are affected by the sea bed through process such as refraction, shoaling, bottom friction and wave-breaking. However wave breaking also occurs in deep water when the waves re too steep. If the waves meet major structurer or abrupt changes in the coastline, they will be transformed by diffraction.