Answer:
When attempting to decipher the meaning of a new word, it is often useful to look at what comes before and after that word. The surrounding words can give readers helpful context clues about the meaning and structure of the new word, as well as how it is used.
Answer:
The four selections use different media to present information about effects of human activities on the environment. There are advantages and disadvantages to each medium. For example, the photographs and diagrams in "A Natural Balance"
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