A scientific law is a statement that summarizes a pattern found in nature.
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It can be between restaurants to see who is better at serving and service or a competition between 2 or more people at an activity.
It happens due to the inner resistance. Resistance causes heating of tungsten filament and with more resistance, a light bulb produces more light.
Answer:
Rocks.
Explanation:
Scientists study rocks from the Precambrian period because isn't really a significant fossil record from the Precambrian.