Answer:
high temperature and high pressure
Explanation:
Coal is one of the solid minerals found underground. Coal is believed to have been formed from vegetation during the carboniferous era. The decomposition of these materials under pressure in the absence of air led to the formation of coal.
In the process of carbonization, the vegetation was converted in stages to peat, lignite, bituminous coal and anthracite.
The formation of anthracite is favored by high temperature and high pressure underground.
the last answer choice is wronf
When it is unchecked it keeps on going and going until it is very high this very high is C) exponential.
Pluto is classified as a dwarf planet
Answer:
it made easier for crazy Americans to tour
Explanation:
tell them to bring my all my garden gnomes and cheeses its I can still hear there voices at night
