The guidelines that should be set up by the government regarding the use of fossil fuels and solar energy are to minimize the use of fossil fuels and increase the use of solar energy. Thus, the correct option is D.
The disadvantage of fossil fuels includes the threat of climate change, unsustainability, a major cause of acid rain, harm to wildlife, and overall deplete the natural environmental conditions.
If a country has excess fossil fuels, still the country is required to minimize the use of fossil fuels to prevent the ruining of the natural environment and climate change.
The government of this country should be required to set up guidelines that clearly promote the usage of solar energy.
Therefore, it is well described above.
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