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No, a particle is not the largest part of a substance. Particles are the smallest units of a substance that still retain the chemical properties of that substance. Substances can be made up of many particles.
No, the substance that makes up everything in the world is called matter. Mass is a property of matter that measures the amount of material present in an object.
Cellulose makes up the cell walls of plant cells. Cellulose is composed of glucose molecules.
Calcium is an inorganic substance that makes up about 4% of the average human body weight, primarily in the form of calcium phosphate found in bones and teeth.
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