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At first, we should know their molecular formula and symbol. In case of element, symbols are written. But in case of compound, molecular formula is used. Also we should know their coefficient (number) to make the number of atoms either side equal.
The definition of cell theory is as follows: <span>a </span>theory<span> in biology that includes one or both of the statements that the </span>cell<span> is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous </span>cells<span> with its properties being the sum of those of its </span>cells<span>.</span>
Answer: Living systems use the Law of Conservation of Mass when a living organism dies. When the organism decomposes carbon is released and enters back into the Earth. This follows the law because the mass is not being created or destroyed, but reused. Living systems use the law of conservation of mass when a living organism dies. ... It follows the law because the mass is not being created or destroyed, but reused. Living systems use the law of conversation of energy when an organism decomposes
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