Directions: Read the following group of statements and identify the main conclusion in the argument.
The United States is one of the world's largest producers and consumers of energy. However, its energy mix is dominated by fossil fuels, which account for about 80% of its total energy consumption and 84% of its greenhouse gas emissions. Renewable energy sources, such as wind and solar, provide only about 12% of its energy supply. Despite the environmental and economic benefits of renewable energy, there are many barriers to its widespread adoption, such as high upfront costs, lack of infrastructure, and policy uncertainty.
1
Renewable energy is more expensive than fossil fuels in the United States.
2
Renewable energy has a positive impact on the environment and the economy in the United States.
3
Renewable energy faces many challenges in the United States that limit its growth potential.
4
Renewable energy should replace fossil fuels as the main source of energy in the United States.
5
None of the above