The answer above is correct ^
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
The correct answer is b. the Nile flooded at the same time every year as opposed to the unpredictable flooding of the Tigris and Euphrates Rivers. The predictability of the flooding allowed agriculture to become a mainstay in Egyptian cultures that made their homes along the banks of the Nile river. The predictable floods brought fertile soils which signaled the start of the growing season each year.
The judicial branch interprets laws so D is correct