1.(Pg. [146]) What is wind, and how is it generally produced?
2.(Pg. [146]) How do the winds blow, around the place where the air becomes rarefied?
3.(Pg. [146]) What effect is likely to be produced where the winds meet?
4.(Pg. [147]) In what part of the globe is the air most rarefied, and what is the consequence?
5.(Pg. [147]) How do these winds change their direction as they approach the equator?
6.(Pg. [147]) How are the trade-winds produced, and how far do they extend?
7.(Pg. [147]) How is the equilibrium in the air restored?
8.(Pg. [148]) How can contrary currents of air be shown in a room?
9.(Pg. [148]) What causes this?
10.(Pg. [148]) What is meant by a periodical wind?