Some of the properties studied in physics is a trait that is present in all existing material systems, such as the law of conservation of energy. Such properties are often referred to as the laws of physics. Physics is often referred to as "fundamental science", because every other natural sciences (biology, chemistry, geology, and others) studied the types of material systems that obey the laws of physics. For example, chemistry is the science of molecules and chemicals are formed. Chemical properties of a substance is determined by the nature of the molecule is formed, which can be explained by physics such as quantum mechanics, thermodynamics, and electromagnetics.
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