Which one of the following is not a borderline element?
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Plants utilise ________ from the atmosphere foe photosynthesis
Which of the following carries oxygen to various parts of human body?
Name the international treaty designed to protect the ozone layer from CFCs.
McAfee is a
Which of the following is a characteristic of an exothermic reaction?
Which of the following is NOT considered as Amir Khusro's creation?
Nepal shares a border with which other country besides India?