10.3

10 .3. Read and listen to the texts.

Floods occur when rivers or streams overflow and cover the land with water.

Heavy rains, storms and hurricanes cause floods.

Most floods develop in hours or days.

This gives people enough time to escape.

Others form quickly and with no sign.

These are flash floods and are more destructive.

Floods can pick up and carry off trees, houses, cars and even bridges.

They damage houses and buildings too.

Drought is a very long period of dry weather when there is not enough rainfall.

Dry weather causes damage to crops and the shortage of drinking water.

These cause negative economic and social results like hunger.

People become ill because they can't find any food.

Some leave their homes and go to other places.

Drought can have long -term effects on plants and animals too.

An earthquake is a sudden movement of the ground.

Earthquakes can damage buildings and cause fires.

Some earthquakes are very destructive.

They can injure and kill thousands of people or cause them to lose their homes.

Earthquakes often have aftershocks.

They are usually weak but they can sometimes be destructive too.