The substance, if eliminated, that would completely prevent the greenhouse effect from occurring on earth is fossil fuels (option C).
Greenhouse effect is the process by which a planet is warmed by its atmosphere.
Greenhouse effect is caused by greenhouse gases that deplete the ozone layer.
Fossil fuels, when burned, will release greenhouse gases such as carbon etc. to the atmosphere.
Therefore, the substance, if eliminated, that would completely prevent the greenhouse effect from occurring on earth is fossil fuels.
Learn more about greenhouse gases at: https://brainly.com/question/14131369
#SPJ1