Craft and StructureEasyMain purpose of an explanation of a recurring phenomenon
Craft and Structure practice question
Frost pushes rocks up out of the soil. Water in the ground freezes and expands, lifting the rocks; when the ice melts, soil settles into the space beneath them, so they cannot sink back. That is why farmers in cold regions clear a fresh crop of stones from the same fields every spring.
What is the main purpose of the text?
- A. To explain why stones keep appearing in fields in cold regions.Correct
- B. To argue that farming in cold regions is not worthwhile.
- C. To describe the tools farmers use to clear stones.
- D. To compare frost in cold regions with frost in mild ones.
Answer: A. To explain why stones keep appearing in fields in cold regions.
Mechanism first, then the puzzle it solves: fresh stones every spring. The text explains a recurring phenomenon.
Why the other answers are wrong
- B. To argue that farming in cold regions is not worthwhile.
- The text describes a chore, not a verdict on farming.
- C. To describe the tools farmers use to clear stones.
- No tools are described.
- D. To compare frost in cold regions with frost in mild ones.
- Only cold regions are discussed.
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