Question

Urban flooding occurs very quickly as………………………
1. the drainage is usually blocked
2. storm water drainage is poor
3. encroachments obstruct flow of water
4. developed catchments increase faster flow times​

Answer 1

option 1

i.e. the drainage is usually blocked

Answer 2

Answer:

The answer is 1. the drainage is usually blocked

Explanation:

because the drainage get blocked the water over flow so

Urban flooding occurs very quickly