In which of the following rock types is petroleum mainly ...
In which of the following rock types is petroleum mainly found?
Igneous
Plutonic
Sedimentary
Metamorphic
Volcanic
Correct answer is C
No explanation has been provided for this answer.
The primary importance of nitrogen-fixing organisms in the ecosystem is that they? ...
Which of the following statement is a correct inference from the above diagram? ...
The total groundnut export from 2000 to 2003 is ...
Name the climate represented by the data J F M A M J J A S O N D Temp o C 14 17 23 28 33 34 31 3...
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