Correct option is C
Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and create clouds and, under the right conditions, precipitation.
Convective uplift occurs when air near the ground is warmed by the sun and begins to rise. Air rises and cools, forming clouds and precipitation. Frontal uplift occurs when two different air masses interact. Cold fronts force warm air up where it cools, forming clouds and precipitation.
Lifting by Convergence- broad lifting of an entire layer of air. Convergence is an atmospheric condition that exists when there is a horizontal net inflow of air into a region. When air converges along the earth's surface, it is forced to rise since it cannot go downward. Vertical motions associated with convergence are typically much weaker than the small-scale vertical motions associated with convective processes. As a result, clouds generated through convergence, for example cirrostratus clouds, are typically less vertically developed than convective clouds. Hence all the options are correct.
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