Question

which action has a positive effect on air resources?
○ using fossil fuels
○ building new homes
○ walking to work or school
○ removing vegetation such as trees

Explanation:

• Using fossil fuels releases greenhouse gases and pollutants, harming air quality.
• Building new homes often involves construction emissions and land clearing, negatively impacting air resources.
• Walking eliminates vehicle-related emissions, reducing air pollution and benefiting air resources.
• Removing trees reduces natural air purification, worsening air quality.

Answer:

walking to work or school