When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
Answer:
air pollution can irritate your airways and may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain.
Explanation:
Hope this helps:)
The answer would be letter a
Answer:
marine west coast, humid continental, humid subtropical
Explanation:
this should be right.
Answer:
Fossil fuels specifically natural gas
Explanation: