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
People moving from rural areas to urban areas
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Answer:
<u><em>A. vast, flat deserts made northward travel easier.</em></u>
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Explanation:
i got it from another question just like this one so if its wrong i'm sorry. they just keep saying in the comments that it was <u><em>A</em></u> . so if i'm wrong i'm sorry
A sours of warmth and to cook food
