Currently, India provides a habitat for around ___ of the world's tiger population:
Who had discovered the Boolean algebra?
Out of the following, which would be the fastest, biggest and most expensive?
The number of agricultural people divided by available arable land area is referred to as:
Acid rains occur when atmosphere is heavily polluted with:
In plant cells, cell walls are mostly:
The malthusian theory is associated with which of the following?