11.(Pg. [148]) What occasions the land and sea breezes, and where do they prevail?
12.(Pg. [149]) What are monsoons?
13.(Pg. [149]) How do they change, and what is the cause?
14.(Pg. [149]) What is meant by their breaking up, and what effect is in general produced?
15.(Pg. [149]) Why is the wind most variable in high latitudes?
16.(Pg. [150]) Why is the wind apt to lessen about sunset?
17.(Pg. [150]) What effect must the sun and moon produce upon the atmosphere, from their attraction?
18.(Pg. [150]) Why do not the ærial tides affect the barometer?
19.(Pg. [151]) How is sound produced?
20.(Pg. [151]) Does sound exist in the sonorous body, if not, what is it?