Answer:
A. The right of people to express themselves
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The organizing principles that are used in this paragraph are comparison and contrast; cause and effect. In the beginning, the author is giving the similarities and the differences between petroleum and coal, and moves on to talk about cause and effect in the end.
Answer:D
Explanation:the last sentence
Answer:
Angiosperms
Explanation:
The flowering plants (also called angiosperms) are the dominant and most familiar group of land plants.