Which continent is the longest river in the world located

A flood is a great flow of water that rises and spreads over the land

A drought is when people do not have water to be able to plant crops

Which of the following makes the ground fertile after the floods

What was the main food for Egyptians

Where the floods in of the River Nile good or bad for the Egyptians

The water provided by the Falaj system was first used for people before it was used for farming

The falaj system was in which Emirati city ?

The falaj system was made up of

Which layer is underneath the aquifer