Answer:
Fusion powers stars and produces virtually all elements in a process called nucleosynthesis. The Sun is a main-sequence star, and, as such, generates its energy by nuclear fusion of hydrogen nuclei into helium.
Explanation:
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The troposphere has the highest density.
Answer:En los EE. UU., el agua se usa de muchas maneras, incluso para consumo humano, riego agrícola, enfriamiento de plantas de energía y generación de energía hidroeléctrica. Además, los ríos, lagos y océanos permiten actividades de navegación, pesca y recreación.
Option c. endodermis
greek word endon, within + derma,skin; the layer of living cells, with various characteristically thickened walls and no intercellular spaces, which surrounds the vascular tissue of certain plants and occurs nearly all roots and certain stem and leaves.
Answer:
vAccording to one data set, the average American has has an ecological footprint over four times larger than the global average.
