<span>It is true that walking to work is one way of helping improve air quality. If you are walking, or riding a bicycle to your work, you are obviously not using a car or a bus which use fuel which pollutes air. So, if more people would do this, they would help improve their living conditions and the air we breathe, because each day, our air becomes more and more polluted. </span>
Answer:
a repetiton im pretty sure
Explanation:
please give brainliest
The arteries carry oxygenated blood away from heart and then re-takes it back to your system
1: seniors in high school because that is when everyone is wanting to be the most popular.
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