Which of the following statements is true?
Natural energy resources are nonrenewable and are being depleted.
Current fuels are not polluting the air.
Mercury released into aquatic ecosystems comes from rock erosion.
The natural cycles of Earth can clear up our current air and water pollution problems.
Natural energy resources are nonrenewable and are being depleted.
Current fuels are not polluting the air.
Mercury released into aquatic ecosystems comes from rock erosion.
The natural cycles of Earth can clear up our current air and water pollution problems.