A-A+
In paragraph 8 the author contrasts the conce
问题详情
In paragraph 8, the author contrasts the concepts of physical and chemical changes by
A．listing several types for each concept
B．providing clear definitions for them
C．identifying the common characteristics
D．using a wax candle as an example请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析："When a candle is burned, there are both physical and chemical changes." Choice A is not correct because only the example of the candle is mentioned. Choice B is not correct because the meaning is explained by example, not by definition. Choice C is not correct because the common characteristics were mentioned in previous paragraphs.
