2. Deserts cover about 20% of the earth surface There are two bands of deserts that ring the earth 30⁰ North Latitude- Tropic of Cancer 30⁰ South Latitude- Tropic of Capricorn

3. Major Deserts of the World

4. Climate The average temperature during the day of most hot deserts is 54⁰C At night the temperature can get as low as 2⁰C In cold deserts the temperature can get low as -40⁰C Deserts receive less than 10 inches of rain a year

5. Rain Shadow Effect

6. Animals of the Desert

7. Plants of the Desert

8. The desert is the only biome that keeps getting bigger each year