I agree with the person above - it is beneficial for businesses to be stationed in a city because of easier distribution routes, access to more services and access to more labor.
More congestion and pollution is definitely not a benefit but rather a drawback, which is why only D is not correct here.
Its a fight between the phyical and the spiritual.
The weather most probably arriving at the station is a cool, dry air. This kind of weather matches the characteristics shown in the weather instruments. The dewpoint temperature and air temperature are getting farther apart means that the air is getting dry while the rising air pressure represents a decreasing temperature.