Scanning for Specific Information
Fill in the blanks with the correct information from the article. If you don't remember a specific point, find the appropriate paragraph and scan it again for the answer. 1. People who specialize in studying the physical features of the earth are 2. A formation in which layers of rock have been pushed up to form an 3. When layers of rock come together, somewhat like the pieces of bread 4. _____ rock permits the movement of gases and liquids because it has tiny holes in it. Exploring for Petroleum
5. When layers of porous and nonporous rocks meet, it is possible for oil to be______ because it can no longer continue to move through the nonporous rock. 6. _____, limestone and dolomite are typical porous rocks.
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