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[ala 100% """ W 12418:43 be instructure.com : Module Exam 7-violent wearer . deadine 4 1 Caribbean and Central America? Because most are islands or low-lying countries O They are in the direct path of hurricanes moving from off the coast of Africa Moisture-laden storms are amplified by the liting effect of the volcanoes founsd throughout the region O Public transportation is primitive and crowded Poverty, culture, and disastrous land use practices all mitigate for higher rates D! 6 1 Which one of the following is one of the primary characteristics of a noreaster and not a huricane? it is a summer storm it is a cold core system it spreads tornadoes over a great area along the East coast 6 7 8 9 2

Explanation / Answer

Ans.

1. They are in direct path of hurricanes moving from off cost of Africa.

Explanation - Hurricanes are the most violent storms on Earth. Its other names, such as typhoons or cyclones, depending on where they occur. The scientific term for all these storms is tropical cyclone. Only tropical cyclones that form over the Atlantic Ocean or eastern Pacific Ocean are called "hurricanes."Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they form only over warm ocean waters near the equator. The warm, moist air over the ocean rises upward from near the surface. Because this air moves up and away from the surface, there is less air left near the surface. Another way to say the same thing is that the warm air rises, causing an area of lower air pressure below.Air from surrounding areas with higher air pressure pushes in to the low pressure area. Then that "new" air becomes warm and moist and rises, too. As the warm air continues to rise, the surrounding air swirls in to take its place. As the warmed, moist air rises and cools off, the water in the air forms clouds. The whole system of clouds and wind spins and grows, fed by the ocean's heat and water evaporating from the surface.Storms that form north of the equator spin counterclockwise. Storms south of the equator spin clockwise. This difference is because of Earth's rotation on its axis.

2.It is cold core system

Explanation - Nor'easters develop in response to the sharp contrast in the warm Gulf Stream ocean current coming up from the tropical Atlantic and the cold air masses coming down from Canada. When the very cold and dry air rushes southward and meets up with the warm Gulf stream current, which is often near 21 °C even in mid-winter, intense low pressure develops.

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