Question

Which of the following led to dust storms during the 1930s?

Answer 1

Answer

Both farming and drought

Explanation

Dust worms arise when a gust or a sudden strong rush of wind or other strong winds blows loose sand and dirt from a dry surface. Then  Fine particles are transported by saltation and suspension, a process that moves soil from one place and deposits it in another. Generally A dust storm is a meteorological phenomenon common in arid and semi-arid regions which occurs   when strong winds lift large amounts of sand and dust from bare, dry soils into the atmosphere

Answer 2

both farming and drought