Physical and chemical changes may be similar because neither can change the number of atoms of each element that are present.
<h3>What do you mean by Physical changes?</h3>
Physical changes may be defined as those changes which appeared physically like color, odor, texture, mass, and density.
Chemical changes may lead to the formation of new chemicals with definite properties. It involves when the chemical identity of any substance may alter.
Therefore, physical and chemical changes may be similar because neither can change the number of atoms of each element that are present.
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The answer is hydrogen bonds
Mitosis allows cells to make copies of themselves
Answer:
decreased variation in the shades of red because no form of the trait is advantageous
Explanation:
The last option also seems correct, but selections is somehow aleatory. You cannot consider "reason" as a factor.
