yes
No. One seldom finds obsidian in a coal mine.
Anthracite.
it occurs naturally
it occurs naturally in grapes, bananas and tamarinds
When coal is burnt, the energy transformation that occurs is from chemical energy stored in the coal to thermal energy in the form of heat, which can be used to generate electricity or heat for various applications.
A mineral is a solid that occurs naturally in the Earth. A rock is a solid combination of minerals which also occurs naturally.
The process occurs naturally, says Mr. Jung.
In the atmosphere.
Carbon is not produced but mined because it occurs naturally. Carbon occurs naturally in three forms namely diamond, graphite and amorphous.
cause that's what It does, coal naturally burns in one fuel source so that's what makes it up to be burning in a coal stock, once the coal is burned it creates heat energy which is naturally a nonrenewable resource once it is actually burned.
Quartz and coal are both naturally occurring substances and minerals. Quartz is a mineral composed of silicon and oxygen atoms, while coal is a sedimentary rock made up of organic matter primarily from plant material.
Yes, coal is a naturally occurring fossil fuel that is formed from the remains of plants that lived millions of years ago. It is typically found in underground deposits and is mined for use as a source of energy.