Final answer:
Fossil fuels, such as oil, coal, and natural gas, currently provide over 80% of the world's energy.
correct answer is D
Step-by-step explanation:
The correct answer is d) fossil fuels. Fossil fuels, such as oil, coal, and natural gas, currently provide over 80% of the world's energy.
According to the provided information, fossil fuels accounted for about 80% of total U.S. primary energy production in 2019, and approximately 80% of energy worldwide comes from fossil fuels.
correct answer is D