L.1 Climate changes

Certain amounts of green house gases are needed to trap ........ and keep the earth at the right temperature.

• heat

• light

• water

The Earth is heated by rays of sun that pass through the layers of ........

• atmosphere

• greenhouse gases

Some of the sun rays are reflected back to the space by the.........gases

• heat

• atmosphere

• greenhouse

People are creating problems because they're burning too many......

• Plastic

• Fossil fuels

• gases

One of the greenhouse gases that absorb more heat is (a)  

The average temperature on the Earth's surface is increasing because of ......

• Increasing of carbon dioxide

• Oxygen

• hight temperature

Areas may experience much more frequent flooding or even be lost beneath the sea completely are

• Low-lying coastal areas

• high areas

• deserts

Rising sea levels are going to cause floods and drawing of ...............beneath the sea completely

• habitats

• animals

• low-lying coastal areas

Extreme climate changes may cause ................ in many countries with permanent river systems such as : Sudan.

• Rising sea levels

• inland flooding

• high temperature

Hight temperature could lead to an increase in ..............and even.......

• pollution

• health

• ill-health ....death