A-A+
The phrase in which in the passage refers toA．
问题详情
The phrase in which in the passage refers to
A．the butterfly effect
B．chaotic systems
C．simple systems
D．linear equations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："Simple systems are described by linear equations in which, [in the linear equations] for example, increasing a cause produces a proportional increase in an effect." The phrase "in which" does not refer to Choices A, B, or C.
