Page 394 vocab
Page 397 copy summary questions 1-3
page 399 vocab
page
406 copy summary questions 1-3
Page 407 vocab
page 411 copy
summary questions 1-3
page 413 draw fig. 21
page 417 copy summary
questions 1-3
page 421 viz. main ideas
page 422 using vocab
page
422 checking concepts
