Flaming barricades, teargas, clashes, in HK

Interactive Video
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Fun, Other
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1st - 2nd Grade
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary characteristic of white noise?
It is a type of colored noise.
It contains all frequencies at equal intensity.
It is only audible to certain animals.
It has a consistent frequency.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common use of white noise?
Enhancing musical compositions.
Reducing the frequency of sound waves.
Improving sleep quality.
Increasing the speed of sound.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does white noise help in masking other sounds?
By creating a constant background sound.
By amplifying the surrounding noise.
By altering the pitch of other sounds.
By reducing the volume of other noises.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In what way is white noise different from other types of noise?
It is inaudible to the human ear.
It is only used in scientific experiments.
It has a variable frequency range.
It contains all frequencies at the same power level.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might someone use white noise in a work environment?
To enhance the clarity of music.
To increase the volume of conversations.
To create a more distracting atmosphere.
To help focus by masking background noise.
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