Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Who can help reduce pollution in cities?

• A. Government
• B. Factory owners
• C. Common people
• D. All of these

Answer 1

The correct option is D All of these

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Pollution is caused by many big and small human activities. All people living in cities can contribute to reduce pollution levels.