You can help to solve the problem of land pollution by reducing, reusing, and

The ____________ is a government agency that serves us by forming laws and regulations to protect the environment.

The introduction of harmful materials into the environment is called

The mixture of smoke, fog, and chemicals is often referred to as ______________.

A resource that is limited and that we can not make more of is called a

Which of the following is a nonrenewable source of energy?

Which of the following is a problem with nuclear power?

What would be a good way to conserve energy?

What type of energy is in gasoline?

Which of the following harms the environment the most?