When travelling short distances, you can conserve natural resources by ________.

Only a small amount of _______ on Earth's surface can be used by humans.

Which are ways we use fossil fuels?

Which is a way we can protect our natural resources?

To protect natural resources, we must _______ them by not wasting them.

Who uses natural resources?

Something that comes from nature that people can use, like soil, water, trees.

Burning fossil fuels can cause:

Is harmful substances in the environment, like smoke, garbage, and chemicals in water.

Is a nonrenewable resource burned to make electricity.

This is caused when people do not put trash where it belongs.

Which of the following is a renewable natural resource?

What is the primary cause of acid rain?

Which gas is a major contributor to the greenhouse effect?

What is the main source of water pollution in rivers?

Which of the following is a consequence of deforestation?

What is the process by which plants use sunlight to make food?

Which of the following is a nonrenewable resource?

What is the main component of smog?

Which of the following practices can help reduce air pollution?

What is the term for harmful substances in the environment?

Which of the following is an effect of water pollution on aquatic life?

What is the primary source of energy for the Earth's climate system?

Which of the following is a method to conserve natural resources?