"There are many units by which to measure the impact of climate change."
Is the above sentence grammatical?
Then is it possible to change 'by which' to 'where'?
However, I wonder if "metrics" might not be a better choice than "units."
However, I wonder if "metrics" might not be a better choice than "units."
NOT A TEACHER
The most important thing is that you understand it correctly. I don't know if I can explain it well, but "which" refers back to "units". "By" is used because you measure something by something. Education shouldn't be measured purely by examination results. (Source: Longman).
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