$\begin{array}{1 1} \text{(a) The process of extracting a metal in pure form from its mineral is known as ore.} \\ \text{(b) An ore is a part of Material Science engineering which is to study, develop and operate that changes raw materials into useful products.} \\ \text{(c)An Ore, is formed from the remains of plants which lived millions of years ago in tropical wetlands, such as those of the late Carboniferous period} \\ \text{(d) A naturally occurring mineral containing a valuable constituent (such as metal) for which it is mined and worked.}\end{array} $
