Q441: Radio labeling and carbon dating also show some uses of radioactive isotopes in determining the ____ of fossils.
Q442: Fish is one of the best source of ______?
Q443: Foundation of life based on _____?
Q444: Part of earth where life exists is called ______?
Q445: The Muslim scientists who identified many diseases like tuberculosis, meningitis and other such inflammations was _____?
Q446: Members of different species living in specific habitat are called?
Q447: Part of agriculture for the development of new varieties of plant, and their fruit is _____?
Q448: The study of distribution of different living organisms in different regions of the world is called?
Q449: Techniques for manipulation of gene to achieve desirable characters are called?
Q450: A girl throws a small stone into a lake. (See in detail)