1) What is one way to help with land pollution? a) Throw things in the trash b) Recycle c) Burn garbage d) Do nothing 2) Which one is a natural disaster? a) Volcano eruption b) Oil spill c) Littering d) Producing waste 3) What percent of the Earth's water is fresh water? a) 70% b) 25% c) 3% d) 100% 4) How can we protect the environment? a) using cars b) planting trees c) eating animals d) using plastic bags 5) Burning fossil fuels like gasoline causes ... a) air pollution b) land pollution c) water pollution d) conservation

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