Answer:
A
B that is Cr,MN,Fe,Co. is the correct answer
C
D
Answer:
True
Explanation:
Tighter particle compaction means less movement between particles for other substances to move through
permeable
(of a material or membrane) allowing liquids or gases to pass through it.
<span>Not all solids melt when they are heated. Some may undergo chemical changes as a result of heating. For example paper burns rather than melts</span>
Answer:
Response is below
Explanation:
The different types of mining are underground, surface, placer, and in-situ. Underground mining uses various materials to excavate resources from beneath the surface of the Earth. Surface mining is a category of mining that in which soil and rock overlying the mineral deposit are removed. Placer mining is the mining of stream bed deposits for minerals. In-situ mining is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit.
