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1 . State three features which make the earth the unique planet.2. Mention three main characteristics of a planet .3. Give a brief description on the phases of moon with the help of a diagram.4. Write a short note on the other celestial bodies (asteroids,meteoroids and comets) in the solar system. |
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Answer» Answer: In NUCLEAR physics and nuclear CHEMISTRY, nuclear fission is a nuclear reaction or a radioactive decay process in which the NUCLEUS of an ATOM splits into two or more smaller, LIGHTER nuclei. |
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