What are the physical causes of flooding?

Heavy Rain the faster the rainwater reaches the river channel, the more likely it is to flood.
Hopefully this helps

You not be doing this in a quiz. if you actually studied your work you would know the answer. the answer though is that they would use gdp per capita because it measures a smaller portion (person). this could show individual growth per person in the country.

The geographic feature in the westernmost corner of kenya is answer: the great rift vally