Because gold is very dense, with a little skill the pan could be swirled at just the right speed to allow the gold to settle to the bottom of the pan, while the dirt and low-density particles would wash over the slide. This excerpt expresses that gold is-
A. an expensive metal
B. pan is very skilled in finding gold with right speed
C. particles make gold worn out
D. gold drives particle out
E. particles and gold are found together
সঠিক উত্তরঃ
D.
gold drives particle out
Explanation:
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