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

The correct answer is: C. both (A) and (B)

A flow mass curve is a graph that shows the relationship between the flow of water in a river and the time. The demand line is a line that shows the amount of water that is needed at a given time. If the demand line drawn

from a ridge in a flow mass curve does not intersect the curve again, it indicates that the demand cannot be met by the inflow. This is because the demand line is above the flow mass curve at all times. This means that the amount of water that is needed is greater than the amount of water that is available.

There are two possible reasons why the demand line might be above the flow mass curve. The first possibility is that the reservoir was not full at the beginning. If the reservoir is not full, then there is less water available to meet the demand. The second possibility is that the demand is greater than the normal demand. This could be due to a number of factors, such as a drought or an increase in population.

In either case, the result is the same: the demand cannot be met by the inflow. This can have a number of consequences, such as water shortages, rationing, and even water shutoffs.