Tag: rocks and minerals
Questions Related to rocks and minerals
Cresols present in coal tar are __________ in nature.
Anthracene present in coal tar is __________ in nature.
Which two transportation means move nearly two-thirds of all U.S. coal shipments?
The second largest market for coal is:
The underlined word in the following sentence has been jumbled up. Find the correct form of the word.
______ is obtained from mine.
Possibility of occurrence of coal in an area, is determined by study of
The slow process of conversion of dead vegetation into coal is called: