The smallest particle that exhibits the characteristics of a chemical element is known as a(n):
A. Molecule
B. Isotope
C. Phase of matter
D. Atom
E. Microorganism
Answer: D
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Which of the following actions take place after a tornado is spotted?
A. A tornado watch is issued. B. An aircraft carefully monitors the tornado's direction of movement. C. An attempt may be made to change the tornado's direction of movement. D. A tornado warning is issued.
The __________ represents an ocean that is forming.
A. Red Sea B. Persian Gulf C. Mediterranean Sea D. Tigris-Euphrates valley
Which two layers of the atmosphere experience temperature inversion?
A) Troposphere and stratosphere B) Stratosphere and mesosphere C) Thermosphere and stratosphere D) Thermosphere and mesosphere
A section of crust is pushed up from below creating a dome-like mountain. What kind of mountain is this?
A. fault-block mountain B. upwarped mountain C. folded mountain D. volcano