Air masses can<span> bring anything from tropical warm and humid days to arctic cold depending on the type of it.</span><span> Fronts form the boundaries of </span>air masses<span> with differing properties.
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The FTA stands for Free Trade Agreement. Canada and the United States established this trade agreement in 1988.
In 1994 Mexico joined this FTA and was superseded by the North American Free Trade Agreement (NAFTA). NAFTA came into force in 1994. Its purpose was to <span>create a trilateral </span>trade bloc<span> in </span>North America<span>. </span>
In 1998, Canada and the United States extended FTA to form NAFTA, hich established a free-trade zone with Mexico.
Because the toxins from gas are not good to breath in and eventually we will al die from it