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12. How does the field of physics define “work”?
13. Listen again to part of the lecture. Then answer the question.
Why does the professor talk about a plow?
14. Which statement best reflects the first law of thermodynamics?
15. Which two sentences illustrate the conversion of energy from one form to another? Click on 2 answers.
16. Listen again to part of the lecture. Then answer the question.
Why does the professor say this:
17. What can be inferred about the energy in the earth as a whole system?
Discover which popular Task 1 Introduction sentence is a “score-killer” and the “perfect” alternative for rapidly earning points and contributing to a high score like 26