‘Fanning’ smokestack plumes are observed when A. There is an inversion above the ground surface. B. There is unstable atmosphere. C. There is neutrally stable atmosphere. D. The stack height is below an inversion layer.

‘Fanning’ smokestack plumes are observed when
A. There is an inversion above the ground surface.
B. There is unstable atmosphere.
C. There is neutrally stable atmosphere.
D. The stack height is below an inversion layer.
by

1 Answer

Answer :

A. There is an inversion above the ground surface
by

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