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Boron is the fifth element of the periodic table (Z=5), located in Group 13. It is classified as a metalloid due it its properties that reflect a combination of both metals and nonmetals. Aluminum (also called Aluminium) is the third most abundant element in the earth's crust.
Answer:Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle.
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singular= granum or the plural is grana.
Answer: A) a process of change in a population through time
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