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  • Someone from United States
    Someone from United States very clear explanation, and grate visuals (yeah, pun) for this answer
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    Someone from Edmonton, Canada very helpful for this answer
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    Someone from Ottawa, Canada Thanks! Your answer was very helpful. for this answer
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Zack M.

I have a physics degree from the University of Montana, and I love talking to people about science. Between tutoring and informal education, I love what I do.

23K karma · Portland Oregon
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Level 10 in Astronomy Level 10 in Physics Level 7 in Calculus Level 6 in Trigonometry Level 4 in Algebra Level 3 in Socratic Meta Level 3 in Precalculus Level 3 in Geometry Level 3 in Earth Science Level 2 in Chemistry
Activity 173 Answers 19 Edits