1. weather or climate ?

2. weather or climate ?

3. The red line shows the vertical profile of ……….

4. Which place has a higher air humidity? Why?

Lander Milton, Maine

5. Energy Balance at the Earth’s Surface, globally averaged:

R = H + LE

a. What is this term?b. What are its units?

6. Why is the clear sky blue?

7. What type of heat transfer is shown here?

8. What fraction of the infrared radiation emitted at the Earth surface reaches space?

9. In which month is the Earth in the perihelion?

aphelion

10. Why is is colder in valleys on calm, clear nights?

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