All ores are minerals, while all minerals are not ores because

Question

All ores are minerals, while all minerals are not ores because (A) minerals are complex compounds (B) minerals are obtained from mines (C) the metal cannot be extracted economically from all the minerals (D) all the above are correct

Tardigrade Admin · Accepted Answer

All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.

Q. All ores are minerals, while all minerals are not ores because

minerals are complex compounds

minerals are obtained from mines

the metal cannot be extracted economically from all the minerals

all the above are correct

All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.