This is called Coastal Erosion and it is a combination of wind, tides, waves action on the shoreline. Beach ecosystem is constantly changing due to these circumstances and that is why these regions need special protection. In the US, Pacific coast of North West is a great example of this phenomenon.
Answer: Occupational crimes
Explanation: Occupational crimes which are also called workplace crimes can be simply refered to as wrongdoings by people over the course of their work or employment. For example, you work as a typist at a university examination office and an exam question was submitted by a lecturer . Going through the paper, you realized that it is one of the exams to written by your friend the following day and you quickly rush home to tell him about the questions submitted by the lecturer. You might have done this because you want your friend to study that particular question prior to him sitting for the exams so that he can pass with flying colors but then you have committed a workplace crime/ occupational crime.
<span>The correct answer is Changing climates and nomadic enemies forced them to resort to alternative forms of sustenance. Shifts in climate force transitions in lifestyle. Invasions by nomads also compelled them to seek other ways of sustenance. As a result, they had to return to hunting and gathering at times. </span>
