Which conclusions and inferences are best supported by the data? Check all that apply.

-Natural gas is the best type of energy.

-Nuclear electric power is the worst type of energy.

-Petroleum and coal account for more than half of the energy used in the United States.

-Natural gas and coal account for more than half of the energy used in the United States.

-Natural gas and nuclear electric power account for less than half of the energy used in the United States.