It is considered to be a plague.
The correct answer is - C. Australia and the Pacific Islands.
The tropical wet and dry climate can be found in Australia and the Pacific Islands. To be more precise, this climate is found in the northern and northeastern part of Australia along the coastline, and in the Pacific it is only found in certain parts in some islands that are in its southern part. This climate is characterized by two seasons, wet season and dry season, which is why it has the mane wet and dry climate. During the wet period it has a very big amount of precipitation, and after that it has a few months long dry period when there's little to no rain. The temperatures are high throughout the whole year.
They represent areas of equal pressure<em /><em /> because they are isobars.
Hope that helped you!
The correct answer is World's Worst Air Quality. These cities has the worst air quality in the world, since these two cities suffer from air pollution due to the overuse of cars, the exhaust of cars expels a lot of smoke that forms within the air that causes bad quality and increases particulates in the air, which results to respiratory illnesses among the citizens of the said countries/states. <span />