With respect to the production of geothermal energy, consider the following statements:
1. Geothermal energy can be used for only heating purposes and be harnessed to generate electricity.
2. It is not a clean energy source as it produces CO2, sulphur dioxide and hydrogen sulphide.
Which of the above statements is/are incorrect?1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2