Answer:
The correct answer is option A.
Explanation:
Nominal GDP is the measure of economic growth which calculates the change in output on the basis of the current price. It is not inflation-adjusted measure and is affected by changes in the price level.
Real GDP on the other hand, measures the change in economic output on the basis of constant price. It is an inflation-adjusted measure to calculate economic growth.
That is why, real GDP is preferred, because nominal GDP may overestimate or underestimate the change in output.
I think its A.
Sorry if it isn't.
This is the differential weathering.
Weathering is in general the phenomenon of rock disintegration and if different rocks disintegrate at different pace then it is differential.
