Work in pairs to solve the quiz.

1. It takes about _______ years for one plastic bottle to decompose in the ground.

A. 4.5                         B. 45                          C. 450

2. Around _______ plastic bottles are thrown away every year.

A. 13 thousand           B. 13 million             C. 13 billion

3. Plastic bags and other plastic waste kill around _______ sea animals every year.

A. 100 million            B. 10 million             C. 1 million

4. Nearly _______ of plastic ever made still exists today.

A. 100%                    B. 50%                       C. 10%