Concept of nuclear reaction
Describe in brief the concept of nuclear reaction?
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Bigger nucleus broken down to from two lighter nucleus and two or three neutrons is termed as nuclear fission which is used for making the atom bomb.
Two lighter nucleus combined to form bigger nucleus and is termed as nuclear fusion which is used for making the hydrogen bomb.
Gaia hypothesis (J. Lovelock, 1969): The thought that the Earth as an entire must be regarded as a living organism and that biological procedures stabilize the atmosphere.
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