the difference between " mental problem "and "psychological

the difference between " mental problem "and "psychological what is difference between a "problem" and an "emergency"? the difference between chinese and western wedding the difference between character and characteristics the difference between sex and gender the difference between A and B Whats the difference between lettuce and cabbage whats the difference between chloride and chlorate? whats the difference between colon and intestine? What the difference between "puzzle" and "confuse" The difference between store and shop. the difference between of which and whose