We'll cover this a little in class if necessary, but it's a short chapter so you shouldn't have too much trouble.

Read exercise eight; understand the terms on page 131.

See this comprehensive site and this smaller one for a good understanding of pressure in the atmosphere

Do: step one, ignore step 2, and read over step 3 very carefully.   Answer step 3 questions 3, 4 (think monsoon   [monsoon]), and 5.