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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Answer:
glutamine
Explanation:
because it has the amino acid
Answer:
The mitochondria have a double membrane. They help in respiration.
Explanation:
The state of maintaining a stable internal environment regardless of changing external conditions is called
.

On primary succession newly exposed or newly formed rock is colonized by living things for the first time. And in secondary succession an area that was previously occupied by living things