Well you can talk about in this about how CNN is very left sided, in how they always seek to demean President Trump, and how Fox News is very right sided, always seeking to Praise Trump.
The answer is b. coal mines. Humans made the mines, not nature.
Volcanism describes all the processes associated with the discharge of magma, hot fluids, ash and gases.
It's the phenomenon of the eruption of a volcano that releases hot liquids called magma, also release ashes and gases.
Magma later on become stones when harden
