plant material that accumulates and hardens on the floor of a swamp is known as peat. if a layer of…

plant material that accumulates and hardens on the floor of a swamp is known as peat. if a layer of sediments accumulates on top of the peat, its weight, after thousands of years, can compress the peat to form coal. which of the following types of coal probably formed from the greatest pressure?\nf subbituminous coal (softer than bituminous)\ng lignite (the softest coal)\nh anthracite (the hardest coal)\ni bituminous coal (softer than anthracite)

plant material that accumulates and hardens on the floor of a swamp is known as peat. if a layer of sediments accumulates on top of the peat, its weight, after thousands of years, can compress the peat to form coal. which of the following types of coal probably formed from the greatest pressure?\nf subbituminous coal (softer than bituminous)\ng lignite (the softest coal)\nh anthracite (the hardest coal)\ni bituminous coal (softer than anthracite)

Answer

Brief Explanations:

The more pressure applied during coal - formation, the harder the coal becomes. Anthracite is the hardest coal among the options, indicating it was formed under the greatest pressure.

Answer:

H. Anthracite (the hardest coal)