Front

If a species is ______, it means it is at risk of extinction.

Back

endangered

Front

An ______ is a person who campaigns for social change.

Back

activist

Front

We should try to ______ waste materials to reduce environmental pollution.

Back

recycle

Front

The campaign became a ______ for environmental protection.

Back

national movement

Front

Many people ______ public transportation to get to work.

Back

rely on

Front

What does it mean to “charge” a device?

Back

To fill it with electricity

Front

If you want to sever a connection, you ______ it.

Back

disconnect

Front

Solar energy is an example of a(n) ______ resource.

Back

renewable

Front

An object that is fit to be eaten is called ______.

Back

edible

Front

A circular intersection is also known as a ______.

Back

roundabout