Which of the following pairs is NOT correctly matched?
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Ananas comosus is the scientific name of ________.
The ozone layer protects us from harmful _______________ rays of the sun.
The outermost layer of sun is called
Which of the following is the uppermost layer of the atmosphere?
The Ozone layer is present in which atmospheric layer?
What causes the mottling of the dental enamel ?
Musa paradisiaca is the scientific name of which plant?