Answer:
Los puentes de Hidrógeno, se forman por átomos de Hidrógeno localizados entre átomos pequeños muy electronegativos, cuando un átomo de Hidrógeno está unido covalentemente, a un átomo electronegativo, Oxígeno, Nitrógeno o Flúor, el átomo con mayor electronegatividad atraerá hacia si los electrones del enlace, formándose
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Explanation:
They are known as evolutionary biologists. Strictly speaking, anthropology is split up into a number of disciplines - physical (sometimes known as biological) anthropology is the study of evolution as it relates to human beings. Further to this, scientists who study evolution in the fossil record are known as evolutionary palaeobiologists or simply palaeobiologists.
Human and the natural ones can change the ecosystem