According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions ?
Locomotives using fossil fuels
Ships using fossil fuels
Extraction of metals from ores
Power plants using fossil fuels
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy