1873. If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that______________?

A. demand cannot be met by inflow
B. reservoir was not full at the beginning
C. both (A) and (B)
D. none of the above
βœ… The correct answer is option A.

1874. When surface of transpiration is submerged under water, then potential evapotranspiration is________________?

A. much more than evapotranspiration
B. much less than evapotranspiration
C. equal to evapotranspiration
D. equal to or less than evapotranspi-ration
βœ… The correct answer is option A.