Supply and demand! The prices will rise until the supply will reach the demand.
Answer:
The answer is the third sentence. They pointed out to him that he could possibly get a student loan for this. They said that once he is done with his studies, he could pay off the loan.
Answer:
Water supply living space and environmental condition are greately affected by a natural disaster which in result affect the carrying capacity of an area also.
Answer:
A. Rural to urban migration increases the population density to eastern China