Which of the following defines a sonic boom?
A. It is a form of lightning.
B. It is produced by static electricity in the atmosphere.
C. It is caused when an aircraft flies faster than the speed of sound.
D. It occurs with lightning.
Answer: C
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Which of the following climate types normally has the largest annual range in temperature?
A. humid subtropical climate B. subpolar climate C. polar ice cap climate D. tropical climate
The substance shown below is called cisplatin and is used in the treatment of testicular cancer. [Pt(NH3)2Cl2] What is the oxidation state of Pt in this substance?
A) 0 B) +1 C) +2 D) +3 E) +4
Which color portion of the visible spectrum emits the lowest amount of energy?
A. blue B. green C. red D. yellow
These features create zones of still water near coastlines
A) Breakwaters B) Groins C) Jetties D) Tombolos