<span>Copper
is a chemical element with symbol Cu and atomic number 29. It is a
soft, malleable, and ductile metal with very high thermal and electrical
conductivity. A freshly exposed surface of pure copper has a
reddish-orange color. Copper is used as a conductor of heat and
electricity, as a building material, and as a constituent of various
metal alloys, such as sterling silver used in jewelry, cupronickel used
to make marine hardware and coins, and constantan used in strain gauges
and thermocouples for temperature measurement.</span>
The early Caste system is one part of the Indian culture system that was not adopted. As well as they didn't follow Hindu practices.
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The answer is D because the lithosphere is the crust of earth and the hydrosphere is the water on the earth.
