Ore deposits of the element ________ do not require extreme concentrations because it is one of the most abundant elements in the Earth's crust.
A)aluminum
B)boron
C)carbon
D)uranium

Question

Quizplus · Accepted Answer

Aluminum is one of the most abundant elements in the Earth's crust, making up about 8% by weight. As a result, ore deposits of aluminum do not require extreme concentrations. The other three elements listed are much less abundant in the Earth's crust and their ore deposits typically require higher concentrations to be economically viable.

Ore Deposits of the Element ________ Do Not Require Extreme