Q:1: fill in the blanks. (4m).
1) At higher altitudes air becomes _____________.
2) Air pressure is expressed in__________.
3) On the earth air pressure is ______________.
4) The _____________ pressure belt spreads between 5 degree north and 5 degree south parallel.
Q:2: Give short answer. (6m).
1) what effect does temperature have on air pressure?
2) Why is the subpolar low pressure belt formed?
3) Horizontal distribution of air pressure?
