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When you heat an atom, some of its electrons are "excited* to higher energy levels. When an electron drops from one level to a lower energy level, it emits a quantum of energy. ... The different mix of energy differences for each atom produces different colours. Each metal gives a characteristic flame emission spectrum.
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Answer:
i think its Environmental and mutagens
Explanation:
You multiply 32 by 2, since there are two hydrogens in every water molecule.
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When dry ice is exposed to warm air, a gas called carbon dioxide is produced through a process called sublimation
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1..the natural agent that stimulates sight and makes things visible.
2.an expression in someone's eyes indicating a particular emotion or mood.
"a shrewd light entered his eyes"
