Explanation:
nucleus
Over 99.9 percent of an atom's mass resides in the nucleus. The protons and neutrons in the center of the atom are about 2,000 times heavier than the electrons orbiting around it.
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Answer:
Non Voluntary action...........
This is created from splitting atoms
Answer:
sound waves are trapped by pinna ear..
they thn travel to the ear drum where they are converted to radiations and transfer to the brain by the optical nerve...the brain interpretes
