

MCQOPTIONS
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1. |
An inversion of smoke escape occurs if |
A. | layer of warm air continually replaces the cold air |
B. | layer of warm air acts like a lid and does not allow the cold air and smoke to escape |
C. | hot air and smoke react to form smog |
D. | cold air acts as a lid and prevents escape of smoke and sulphur dioxide |
Answer» C. hot air and smoke react to form smog | |