Question
7 Jan 2019

  • Portuguese (Brazil)
Question about English (US)

What is the difference between proof and exam and test and proof ?Feel free to just provide example sentences.

I need to know the difference between these words. I've never used them, except the second and the third one. I always used as synonymous (test and exam).
I know that test can be used too in blood test or something like that (maybe heart test?!)
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