The air mass behind a warm front is likely to be warmer and more moist than the one before the front. If a warm front is approaching, light rain or light winter precipitation is possible before and as the front passes. Behind the front, expect clearing skies, warmer temperatures and higher relative humidities.
One of the factors that determine the weather patterns across South America is its geography. Among the reasons falling in this category is the elevation. Thus, the answer is letter B. The weather becomes colder as the altitude increase.
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 />
<em>Mount St. Helens in the USA, Mount Fuji in Japan and Mount Pinatubo in the Philippines.</em>
The development of large farms has polluted the river through waste runoff.
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