America (continued)

America (continued)

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Hurricanes are common phenomena in Central America and the southeastern United States.

They form in hot, humid areas after the sun's rays have warmed the ocean mass, causing a rapid rise in humidity, which as it rises cools, condenses and falls in the form of rain.

When this phenomenon occurs very intensely, it can give rise to hurricanes.

The frost

In several areas located in the southern region of Brazil it is possible to observe, in the coldest days of winter, a phenomenon called frost.

This phenomenon happens when a strong polar air mass reaches the region, causing a sudden drop in temperature.

When temperatures reach below zero degrees, the plants get so cold that the humidity in the air freezes, leaving them covered with frozen dew or frost.