Question 2. 2. An ore is a rock that contains which of the following? (Points : 1)
a mineral or metal with economic usefulness
a gemstone only
a mineral or metal with no practical use
particles of rock that erode into sedimen

Question

Question 2. 2. An ore is a rock that contains which of the following? (Points : 1)
       a mineral or metal with economic usefulness
       a gemstone only
       a mineral or metal with no practical use
       particles of rock that erode into sedimen

anonymous · Answer

a mineral or metal with economic usefulness

cheerleader · Answer

The mineral fluorite is used in the process to make __________. (Points : 1)
       kitty litter
       steel and aluminum
       optical microscopes
       watches

cheerleader · Answer

@Renato19

anonymous · Answer

steel and aluminum