The correct answer is T (True)
Step-by-step explanation:
Air quality is a term used to describe pollutants in the air, in this way, if pollutants concentration is high the quality of air is low. Therefore, to improve air quality it is necessary to reduce air pollution or avoid any action that can lead to it. This can be achieved through multiple individual actions such as avoiding to burn any material such as trash or leaves, stop the use of products that can pollute the air and also, walk or use a bike as an alternative to cars. According to this, it is true walking to work is one way of helping air quality because by doing this you avoid increasing pollutants in the air produced by the use of fossil fuels and thus improve air quality.