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A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
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In order to avoid confusion with the identification of organisms
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It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells.
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a mutant dominant allele is expressed in very individual who inherits even one copy points a seriosbdisorder where people can die young and fail to reproduce so basically a dominant allele with die out of population
Sources of heat from inside earth is radioactive decay and residual heat.