37 RC Passage 2
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Comments

Permalink Submitted by yojosh1004 on Oct 9 2019
Hi Dave!
I was a bit confused on #13 as I couldn't clearly rule out E. as an answer. What's the critical distinction that makes A. a better answer?

Permalink Submitted by majorgeneraldave on Oct 21 2019
Remember that we discussed two rules for text replacement:
1. It has to fit the meaning of the sentence (and (E) passes that rule, which is why it's attractive).
2. It has to fit the meaning of the word it's replacing. (E) fails this rule. A mechanism is a physical method of doing work (it comes from the same root as mechanic and mechanical). A scientific theory is not a mechanism.
Make sense?