___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
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The element with the highest electron affinity among halogens is
Khangchendzonga National Park, also known as Kanchenjunga Biosphere Reserve, is located in ________.
The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
Which type of cell, skin is made up of:
Which of the following function is performed by the kidneys in the human body?
The body of all complex animals consist of only _______ basic types of tissue(s).
A human body works within the pH range of