Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Indian Economic and Human Geography
Which of the following is a low grade brown coal that is soft with high moisture content?
1
Lignite
2
Anthracite
3
Peat
4
More than one of the above
5
None of the above