where is this desert located from where the dust is blown?
African continent
Sahara
The Sahara (, ; , ', 'the Greatest Desert') is a desert on the African continent. 
what purpose did seasonal monsoon winds have on trade UNANSWERABLE how is this name of the winds derived? The term originally derives from the early fourteenth century sense of trade (in late Middle English) still often meaning "path" or "track". what are its effects? Every year, millions of tons of nutrient-rich Saharan dust cross the Atlantic Ocean, bringing vital phosphorus and other fertilizers to depleted Amazon soils. what causes these winds? As part of the Hadley cell, surface air flows toward the equator while the flow aloft is towards the poles. A low-pressure area of calm, light variable winds near the equator is known as the doldrums, near-equatorial trough, intertropical front, or the Intertropical Convergence Zone.
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Sahara [SEP] Introduction
The Sahara (, ; , ', 'the Greatest Desert') is a desert on the African continent. With an area of , it is the largest hot desert in the world and the third largest desert overall, smaller only than the deserts of Antarctica and the Arctic. The name 'Sahara' is derived from the Arabic word for "desert", ' ( ), plural . (Arabic صَحْرَاء "ṣaḥrā'" "desert", plural صَحَارَى "ṣaḥārā" "deserts") The desert comprises much of North Africa, excluding the fertile region on the Mediterranean Sea coast, the Atlas Mountains of the Maghreb, and the Nile Valley in Egypt and Sudan.