Question

1. what is the largest source of u.s. greenhouse gases? a. agriculture b. electricity generation c. transportation d. deforestation

Explanation:

In the U.S., electricity - generation is a major source of greenhouse gases due to the burning of fossil fuels like coal, natural gas, and oil in power - plants. While transportation is a significant source too, electricity generation typically accounts for a larger share compared to agriculture and deforestation in the U.S. context.

Answer:

B. electricity generation