Which type of a coal is the youngest?
lignite (brown coal)
graphite
bituminous coal
anthracite
Coal forms when the dead plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, then bituminous coal, and lastly anthracite.
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Answers by country
lignite (brown coal)
graphite
bituminous coal
anthracite
answers
Republic of Ireland
17
the Netherlands
12
Nigeria
16
Greece
15
Germany
370
Romania
11
Poland
10070
Australia
49
Pakistan
28
Italy
19
India
178
the United Kingdom
120
Austria
58
Ukraine
32
the Philippines
43
the United States
580
Canada
31
the United Arab Emirates
13
Switzerland
29
Unknown
16