A. They can be mixed together to make almost any other color.
Explanation:
The most significant thing about primary colors is that they can be mixed together to form any other colors. Primary colors are red, blue and green. These are the three primary colors of light.
- Other colors can derived from primary colors when making pigments.
- If the the three primary colors are mixed together, white color is produced.
- Secondary colors are the other colors produced by combining any two primary colors of light.
- Two colors the produce white when mixed are complementary colors.
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It starts or speeds up.
Some substances need certain amount of energy in order to react with each other.
<span>This is best understood with Newtons Third Law of Motion: for every action there is an equal and opposite reaction. That should allow you to see the answer.</span>
