Arkose contains
A) sandstone, mica, and silicates.
B) feldspar, quartz, mica, and silicates.
C) feldspar, biotite, and mica.
D) sandstone, biotite, mica, and silicates.
Question 2
Coal is
A) a very rare fossil fuel.
B) a chemical or biogenic sedimentary rock consisting of plant organic matter.
C) an inorganic form of energy.
D) a mafic igneous rock.