The Importance of the 3Rs: Reduce, Reuse, Recycle

What is marine pollution?

• • Marine pollution is when harmful substances enter the sea and damage the environment.

• Marine pollution is the introduction of beneficial nutrients to enhance marine life.
• Marine pollution is the process of cleaning the ocean from waste materials.
• Marine pollution refers to the natural sedimentation of ocean floors.

What does the term “3Rs” stand for?

• Restore

• Reduce

• Renew

• Reuse

• Recycle

Sewage is wastewater from homes and buildings that contains human waste and bacteria.

• True
• False

Name one human activity that causes marine pollution.

What is agricultural run‑off?

When rain washes ​ (a)   and pesticides from fields into rivers and the sea.

How can factories pollute the sea?

By releasing ​ (a)   and toxic substances into the water.

Why are algae blooms harmful to sea animals?

They use up oxygen in the water, causing animals to ​ (a)   .

How can plastic bags harm turtles?

• Plastic bags protect turtles from predators in their habitat.
• Plastic bags provide shelter for turtles in the ocean.
• Plastic bags are a food source that helps turtles thrive.
• Turtles may mistake them for jellyfish and choke or die after eating them.

What happens to birds when they are covered in oil?

Oil helps birds stay warm in cold water.

• True
• False

What is the most effective way to help the planet according to the passage?

• Reducing waste

• Reusing items

• Recycling materials

• Participating in community programs