Sandra H.

06/16/25

What’s the best way to learn Spanish as a complete beginner?

The best way to learn Spanish as a beginner is to start with simple conversations from day one. As a tutor, I use a communicative approach that combines essential vocabulary, basic grammar... more

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Answers •4

Science

12/13/22

What is forensics science and what do these kinds of scientists do in their work?

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Chemistry

12/12/22

write an scientific essay and include follwoing points

You are a Canadian delegate at the upcoming G20 summit, in which the following countries are members (organized by continent): Central/South America: Argentina, Brazil, Mexico North America:... more

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Chemistry

11/15/22

Heisenberg uncertainty relation

An electron is located within an interval of 0.247 nm0.247 nm in the north-south direction. What is the minimum uncertainty Δ𝑣Δ⁢v in the electron's velocity in that direction?The Heisenberg... more

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Chemistry

11/15/22