Answer:
Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light.
Explanation:
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<h2>Answer</h2>
In photosynthesis, plants assimilate carbon in the form of <u>Carbon</u><u> dioxide</u> to make sugar and other organic molecules.
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In meiosis , the no of chromosomes in the daughter cells reduces into half no of that in the initial cell :18