i, average speed of the molecules increases

ii. pressure of the air increases

iii. average separation of the molecule increases.

A. i and ii only
B. ii and iii only
C. i and iii only
D. i, ii and iii

Correct Answer: Option A

A. i and ii only

SEE ALSO  Using the data on the diagram below, calculate the potential difference across the 20- Ω resistor. (Neglect the internal resistance of the cell)

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