It's called Coastal flood
        
             
        
        
        
The rock cycle is the process by ehich new rock is made from old rock
        
             
        
        
        
The population density of <u>Western China</u> is so low in comparison to Eastern China is due to most of its area is under mountainous.
<h3>Why population density of Western China is lower than in Eastern China?</h3>
The areas of western China have dramatic mountainous which make the livelihood of the region harsh that<u> reduces its population</u>. The agricultural yields also get destructed with low temperatures all around the year. 
The population in Eastern China is more humid with <u>sea and plane lands</u>. Thus, living conditions are normal for survival making its population more than wester areas. 
Learn more about the geography of China here: 
brainly.com/question/5998222
 
        
             
        
        
        
Geography is basically the study of the Earth/ World