A rock or mineral from which a valuable or useful metal or metal can be extracted is referred to as a(an)
A. economic mineral.
B. sub-metallic.
C. metal.
D. ore.
Answer: D
You might also like to view...
On which side of a tropical cyclone are wind speeds the highest? (Hint: Be
sure to watch the videos associated with these Web pages.) What will be an ideal response?
What constitutes over half of Jupiter's volume?
A. its rocky solid core B. the massive Mons Majora Range C. oceans of liquid hydrogen D. oceans of liquid methane
The highest latitude reading a place can have is
A. 180? B. 90? C. 45? D. infinity
The stars Procyon and Betelgeuse both appear equally bright to Earthbound viewers. Yet Betelgeuse emits 5000 times more light than Procyon. Why do they appear to be equally bright?
A) because Betelgeuse is much farther than Procyon B) because Betelgeuse is undergoing fission, not fusion C) because Betelgeuse lies in the same plane of Earth's orbit D) because Procyon is superhot