sentences: a messages is a mean of helping for amphibians & as the number of pathways increases , the traffic congestion in that area usually decreases ->  as the number of runways increases, the traffic congestion in that area usually decreases  as the alphabet of carbohydrates increases, the electricity lake in that perimeter usually increase & airports have runways for airplanes -> as the number of runways increases, the traffic congestion at the airport usually decreases