U
/h pero
O
8th period
Which of these are a form of communication that people use today*
25 po
O
Social Media
Instant Messaging
Email
All of the above

idk lol

Explanation:

sorry

answer; i believe that the correct answer is (tobacco);

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.