For the following questions answer them individually
which one is not a non-conventional energy source?
Which of the following blood group is a universal recipients?
A special type of well in which water rises automatically under the pressure of a column of water to the ground surface through a hole is known as?
The soil water which is of the greatest importance to the plant life is?
Which of the following oceans has the shape of the English alphabet S?
The animal which has become extinct recently in India happens to be ?