Trees help clean the air and water.

Meaning: This sentence explains how trees help to remove pollutants from the air and water.

Choice of Words: Clean means to remove dirt or harmful substances. Air is the mixture of gases that we breathe. Water is a liquid that makes up most of the Earth's surface.

Alternative Expressions

Trees are like giant filters for our planet.

Meaning: This means that trees are very important for keeping our planet clean and healthy.

Choice of Words: A filter is a device that removes impurities from a liquid or gas. Trees act like giant filters by removing harmful substances from the air and water.

Trees are the lungs of our planet.

Meaning: This means that trees are very important for keeping our planet healthy and alive.

Choice of Words: Lungs are organs in our bodies that help us breathe. Trees are like the lungs of our planet because they help to clean the air we breathe.

Related Expressions