The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
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Indian Constitution came into force on
The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
Which of the following function is performed by the kidneys in the human body?
The element with the highest electron affinity among halogens is
Khangchendzonga National Park, also known as Kanchenjunga Biosphere Reserve, is located in ________.
What is the full form of the Indian Political Party "NCP"?