In what type of environment do barchans mostly form?
Answer and explanation
Correct answer: Arid areas with limited sand and one dominant wind direction
A barchan is a crescent-shaped sand dune that develops where sand is limited and one prevailing wind direction remains dominant. The wind pushes sand up the gentle windward slope and produces horns that point downwind. Thus option C gives the suitable environment. Dense forests, deep ocean trenches, and permanently ice-covered mountains lack the exposed mobile sand and wind regime needed for barchan formation.
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What is the correct answer to this question?
Arid areas with limited sand and one dominant wind direction
Why is this the correct answer?
A barchan is a crescent-shaped sand dune that develops where sand is limited and one prevailing wind direction remains dominant. The wind pushes sand up the gentle windward slope and produces horns that point downwind. Thus option C gives the suitable environment. Dense forests, deep ocean trenches, and permanently ice-covered mountains lack the exposed mobile sand and wind regime needed for barchan formation.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Introduction to Accounting. Topic: Accounting Information.
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