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Chris C.
Design Engineer at AECOM
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Mandarin
TutorMe
Question:

How many different tones are there?

Chris C.
Answer:

4 different types of tones, which are used to change the sounds and meanings of words.

Basic Math
TutorMe
Question:

6 ÷2(1 + 2) = ?

Chris C.
Answer:

9

Mechanical Engineering
TutorMe
Question:

Explain the second law of thermodynamics.

Chris C.
Answer:

The entropy of the universe increases over time and moves towards a maximum value.

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