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Chemistry CBSE Live product
Class 9 (2026-27)
Earth as a system: Energy, Matter and life
Atmospheric Structure & Thermal Regulation
2.
A&R - layers of atmosphere
Question:
1
m.
Pick out
the
right
answer for the following question:
Assertion (A):
The mesosphere is the main layer where weather phenomena occur
Reason (R):
Clouds and storms form due to convection currents in this layer
Both A and R are true, and R is the correct explanation of A
Both A and R are true, and R is not the correct explanation of A
Assertion is true, but Reason is false
Assertion is false, but Reason is true
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