ANYONE WHO TROLLS OR SENDS LINKS WILL GET REPORTED PLEASE ANSWER.ASAP. ALSO THIS IS A MULTIPLE CHOICE QUESTION SO SELECT MULTIPLE ANSWERS OR YOU'LL BE REPORTED. HURRY ASAP DUE IN 15 MINUTES!
The Dust Bowl of the 1930s was caused by__________.(multiple answers!)
A)earthquakes
B)volcanic eruption
C)erosion
D)overgrazing
E)the clearing of grasslands
F)fertilizer runoff