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

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

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

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

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

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

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

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

...........is one of the symptoms of poor air quality and the pollution.

Coastal areas are often important as

...................

Coastal areas act as .......... for species of wildlife..

Unpredictable and extreme weather would have serious impacts on ..............and..........

Coastal areas act as .......... for species of wildlife..