Exam Lesson Name: Basics of Earth Science
Exam number: 703800RR
Exam Guidelines
Exam In...
Physics, 03.06.2021 03:50 MileenaKitana
Exam Lesson Name: Basics of Earth Science
Exam number: 703800RR
Exam Guidelines
Exam Instructions
Question 4 of 20 :
le
Select the best answer for the question.
4. AlAn is a pure substance that can't be broken down into simpler substances by chemical
or physical means.
Ice
m
pe
eo
O A. mineral
OB. chemical
C. atom
D. element
Mark for review (Will be highlighted on the review page)
Answers: 1
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Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
Answers: 2
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