Polar climate is ..........................................all the year.

.............................is a long period with little to no rain.

..........................is a pattern of the weather conditions in a certain area over a long period.

..................................is the change in temperature, precipitation or other weather patterns over a long time.

............................are certain gases in the atmosphere help trap the heat from the sun.

Plants in the desert can store the water. ( )

Sandstorms and duststorms happen in..........................environments.

Higher elevations tend to be.........................................

Temperate climate is...................................

...................................is an imaginary line around the middle of the planet.

Natural causes and human activities can change the climate. ( )

At the sea level the elevation is.......................................

When people burn fuels ,fuels will release.......................................gas.

.............................is the coldest place where people live.