1) Examine the map and give the exact value of pressure along the line connecting the Shetland and Orkney Islands, the Hebrides (Scotland), Isle of Man, Isle of Anglesey (Wales), Cornwall, Normandy, Loire valley, etc. 2) Decide whether the following statement is true or false: the mean temperature of the Earth is 5 Celsius degree.

3) Decide whether the following statement is true or false: at 10 km the temperature is around -50 Celsius degree.

4) Decide whether the following statement is true or false: air heats up with the helps of the surface.

5) Decide whether the following statement is true or false: Daily (and yearly) change of temperature is caused by revolution of the Earth.