255308 Where are minerals found?
In ores.
255296 Which type of coal is the highest quality hard coal?
Anthracite.
255291 Coal mining in Jowai and Cherapunjee is done by family members in the form of a long narrow tunnel, known as _________ mining.
Rathole.
255292 What do Conventional sources of energy include?
Firewood.
255293 Examples of minerals that are not corroded by water are
Gold and platinum. Gold and platinum are not corroded by water.