Vocab Review 3-1

Recycling is a way to reduce your (carbon footprint / ecosystem / coral reef) __________________________ and help the planet.

Factories (release / absorb / endangered species) __________________________ harmful gases into the air.

Polar bears are (carbon footprint / at risk of extinction / absorb) __________________________ because their ice homes are melting.

Sharks and turtles live in the (carbon dioxide / ecosystem / coral reef) __________________________ under the sea.

Plants (release / absorb / ecosystem) __________________________ water from the soil to stay healthy.

Elephants are (at risk of extinction / coral reef / carbon dioxide) __________________________ because people destroy their homes.

A river is an example of an (ecosystem / absorb / at risk of extinction) __________________________ where animals and plants live together.

Cars produce (carbon dioxide / coral reef / endangered species) __________________________, which can harm the air.

The Great Barrier Reef is a famous (endangered species / coral reef / carbon dioxide) __________________________.