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The thickness of the ozone layer is measured in Dobson Units (DU). A Dobson Unit is a measure of the total amount of ozone in a column of air stretching from the Earth's surface to the top of the atmosphere. One Dobson Unit represents a layer of ozone that would be 0.01 millimeters thick under standard temperature and pressure conditions.
Select the option that can be used as a one-word substitute for the given group of words.
An annual calendar that contains important dates and time
Select the most appropriate antonym of the given word.
Emancipate
In the following questions, a word is followed by four choices. Select the choice that is nearly most opposite in meaning to the given word.
ACQUIT
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Study of heavenly bodies
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Renewal
Which of the following is a synonym for "plethora"?
Choose the one which best expresses the meaning of the given word .
Ephemeral
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TRANQUIL
Something that is about to happen