Luster is a physical property that can be used to identify minerals. Which of the following is a correct description of luster? A The scratch resistance of a mineral. The scratch resistance of a mineral. B The color of a mineral. The color of a mineral. C The way the surface of a mineral reflects light. The way the surface of a mineral reflects light. D The color of the powder of a mineral.

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characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.