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Andrea B. has helped students times in
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On a 3 day streak. Longest streak: 19 days
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  • Someone from San Francisco, United States
    Someone from San Francisco, United States Thanks for the explanation for this answer
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    Someone from New Paltz, United States This was very helpful but how did you get 160m in each direction? for this answer
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Andrea B. Happy Cakeday

i obtained the degree in Chemical engineering in 1976, i worked some years in Industry, and i have teached Chemistry, Physical Chemistry, and Industrial Chemical Technologies (and other subjects) since 1982


32K karma · Turin, Italy
School Hero! Hot Streak! Friendly Face!
Level 14 in Chemistry Level 10 in Physics Level 5 in Earth Science Level 4 in Environmental Science Level 3 in Organic Chemistry I Level 3 in Statistics Level 2 in Algebra Level 1 in Geometry
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Activity 344 Answers 3 Edits
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