heart health respiratory health the rate of birth defects weight and physical fitness
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Vehicle exhaust contains a form of pollution called particulate matter. Technologies are being developed to reduce the amount of particulate matter in exhaust. A vehicle that produces less particulate matter would have the greatest impact on which aspect of human health?
Possibilities:
- heart health
- respiratory health
- the rate of birth defects
- weight and physical fitness

respiratory health