Lifelong Learning Programme

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Chemistry is all around us
Copyright 2015
This project has been funded with
support from the European Commission

Educational Packages

Chemistry in Everyday life

Carbon cycle

Step 2 - Exercises

I. coal
II. petroleum
III. geothermal

Which of the above are directly formed from the residues of the dead animals present in nature in time?

  • only-1
  • 1 and 2
  • 2 and 3
  • 1, 2 and 3
  • only-2