Which of the following has made flooding worse in the koreas
a. lack of tree cover ***
b. lack of crops
c. too many droughts
d. too many dams

The correct answer is letter A. Because Korea lack of tree cover, the flooding issue in that place made worse. There isn't enough tree cover, they cut down trees faster than they grow back. Trees are essential in preventing from flood. It helps absorb water at a faster rate because of its roots under the ground.