Question

1. ocean waves

vii. complete the following with appropriate information.

1. cause:

heavy rainfall for several days \teffect:

1. cause:

\teffect:
people moving to higher ground to stay
safe

1. cause:

building a dam across a river to control
water flow \teffect:

1. cause:

\teffect:
less likelihood of urban flooding during
rainstorms

Explanation:

1. Heavy, prolonged rainfall often exceeds soil/water system capacity, leading to floods in low areas.
2. People relocate to higher ground when floodwaters risk their safety.
3. Dams block river flow, forming reservoirs to manage water supply.
4. Good drainage systems redirect rainwater, reducing urban flood chances.

Answer:

1. Effect: Flooding of low-lying areas
2. Cause: Rising floodwaters threatening homes
3. Effect: Creation of a reservoir for water storage
4. Cause: Installing effective drainage systems