There are several differences between<span> a </span>physical and chemical change<span> in matter or substances. A </span>physical change<span> in a substance doesn't </span>change<span> what the substance is. In a </span>chemical change<span> where there is a </span>chemical<span> reaction, a new substance is formed and energy is either given off or absorbed.</span>
It begins by trying to solve a problem and or making a hypothesis.
Answer:
stable, because there is always an equal amount of force surrounding the atom
Answer: Dinitrogen Monoxide ( also called nitrous oxide )
is an inorganic ( not made from living matter) compound with the chemical formula of N2O.
Explanation:
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1. antibody
2. antigen
3. leukocyte
4. phagocytosis
5. dehydration
