Class V

The greatest concentration of oil is found in which of the regions of the world given below?
  1. North America
  2. South America
  3. the Middle East
  4. Europe
Oil and gas are mainly derived from which of the following sources?
  1. trees and larger plants
  2. phytoplanktonic material found in marine basins
  3. freshwater algae
  4. dead animals
Natural gas is composed mainly of which type of gas?
  1. propane
  2. methane
  3. butane
  4. ethane
What is the one continent on Earth where coal is not found?
  1. Africa
  2. North America
  3. Australia
  4. Antarctica
Coal, a common fossil fuel, is formed from which of the following types of organic matter?
  1. freshwater algae
  2. freshwater algae
  3. marine organisms
  4. tree trunks, leaves, and freshwater plants
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