QQuestionEarth Science
QuestionEarth Science
The clap of thunder you hear after a lightning flash is created by rapidly heated air that expands as the lightning passes through it. The distant rumbling is caused by the thunder's sound waves bouncing back and forth within clouds or between mountains.
The structure of the selection above can best be described as:
A. cause and effect
B. compare and contrast
C. definition
D. sequence
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Analyze the Passage Structure
The passage describes how thunder is created and explains the mechanism behind its sound. It provides a clear explanation of: - The initial cause (lightning passing through air) - The immediate effect (air rapidly heating and expanding) - The secondary effect (sound waves bouncing and creating rumbling)
Step 3:: Identify the Organizational Pattern
The passage follows a cause and effect structure because: - It explains the cause (lightning heating air) - It describes the direct effect (air expansion) - It further elaborates on the subsequent effect (sound waves bouncing)
Step 4:: Evaluate the Other Options
- Compare and contrast: The passage does not compare two things - Definition: While it describes thunder, it's not purely definitional - Sequence: The passage explains a process, but focuses more on causes and effects
Step 5:: Make a Conclusion
The passage most closely follows a cause and effect organizational structure.
Final Answer
The key is that the passage systematically explains how one event (lightning) leads to another (air heating) and then to a further consequence (thunder's rumbling sound), which is the hallmark of a cause and effect text structure.
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