Out of these options, the right answer is
D. It's most important to determine whether or not a source is reliable before using it
The other three choices here are very false, in fact.
Answer:
Explanation:The words establish the author of the article as an expert on cookstoves.
The words imply that cookstoves are something negative.
The words show that people in developing countries dislike cookstoves.
The words hint that cookstoves are not as bad as many people believe they are.
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Answer:
Look in the back cover or in the index.
