Thank you for trying out H5P. To get started with H5P read our getting started guide

Insert the missing words in this text. Complete the sentences using one word only. Write your answers in the blanks.

happens when harmful things are added to our environment.

Water pollution happens when harmful things like , sewage, or chemicals are added to water.

This pollution can hurt , frogs, and other living things that live in the water.

Land pollution happens when harmful things are added to the .

Burning rubbish or smoke from and factories can cause air pollution.

This kind of pollution makes the air dirty and is harmful to us and other living things.