They form Germany's southern border
In coastal regions, sea breezes happen during daytime and land breeze happen during the night.
<h3>What are local winds? How are they different from permanent winds?</h3>
Land breezes and sea breezes come under the category of local winds. These are localized winds formed due to differential heating of land and water.
During day, the land gets heated fast as compared to water in coastal areas. Thus, low pressure is formed over land and dynamic high pressure is formed above the nearby water body. As a result, the wind blows from a high pressure area(sea) to a low pressure area(land), this is known as sea breeze.
While during night, the land surface gets cooled faster than the seawater. This results in formation of high-pressure area over the land and low-pressure area above sea. Consequently, winds that blow from land to sea are known as land breezes.
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The dispersion of pollutant gases in the atmosphere from their sources are modeled through plume. It incorporates a lot of factors like wind speed, wind direction, atmospheric temperature, height, type of terrain, overcast or clear skies and so much more. Basically, it can be summarized through unstable or stable conditions.
In unstable conditions, ground level deposition is more dispersed so the concentration is not too high. However, air pollution from elevated smokestacks are readily returned to the ground. In that case, it would still lead to concentrated ground air pollutant concentrations.
In stable conditions, elevated smokestacks are desirable because there is less atmospheric mixing. The concentration of the pollutants is more concentrated in the point sources. Hence, ground level concentration is low.
Answer:
A. True
Explanation:
Oceanic crust, while older than plateaus of rocks found far away from volcanic activity, it is much thinner, denser, younger, and of different chemical composition than continental crust. Continental crust is typically 30-50 km thick, whilst oceanic crust is only 5-10 km thick. On the other hand, plateaus of rocks are formed from volcanic activities and are of more recent occurrence than oceanic crust.