Why are dust particles spatially uneven in atmospheric composition?
Answer and explanation
Correct answer: Because sources, wind speed, dryness and human activities vary by region
Dust is not produced or transported uniformly across the Earth. Deserts, dry soil, roads, construction sites and industries provide different amounts of particles, while wind speed and direction control their movement. Dry conditions favour suspension, whereas rainfall removes dust from the air. Therefore, option A is correct; the other options incorrectly deny known sources or assume equal distribution.
Frequently asked questions
What is the correct answer to this question?
Because sources, wind speed, dryness and human activities vary by region
Why is this the correct answer?
Dust is not produced or transported uniformly across the Earth. Deserts, dry soil, roads, construction sites and industries provide different amounts of particles, while wind speed and direction control their movement. Dry conditions favour suspension, whereas rainfall removes dust from the air. Therefore, option A is correct; the other options incorrectly deny known sources or assume equal distribution.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Bills of Exchange.
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