Ythe beginning of october of 1950 un forces had pushed the koreans back to a) pusan b) the 38th parallel c) the yalu river d)seoul

the correct answer is B

the correct answer is b

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.