Answer:
What was the primary cause of the London Fog of 1952? B. Cold air led to heavy use of coal, and the smoke from the coal fires was trapped close to the ground by a temperature inversion. ... A floating pile of oil-soaked logs in the Cuyahoga River caught fire, and the resulting media attention led to the first Earth Day.
Explanation:
The correct answer is - A. Desertification is increasing, and the desert is expanding.
The Sahara desert has been expanding in the past decades, and it has started to overtake territory south of it. This is mainly due to climate changes, the precipitation has been decreasing, the temperatures have been rising, so the desert has slowly crippled into the territories that were once steppes and savannas. There is an organized action from the people that leave on the borderline of the desert, where they have been thought some techniques as to how to stop the desert growing, and they have gladly accepted it and work hard on it. Initially it seems that there are positive results, but for sure only the time will tell.
In other words, a map projection systematically renders a 3D ellipsoid (or spheroid) of Earth to a 2D map surface. ... Because you can't display 3D surfaces perfectly in two dimensions, distortions always occur. For example, map projections distort distance, direction, scale, and area.
In cartography, a map projection is a way to flatten a globe's surface into a plane in order to make a map. This requires a systematic transformation of the latitudes and longitudes of locations from the surface of the globe into locations on a plane.
Top 10 World Map Projections
-Mercator. This projection was developed by Gerardus Mercator back in 1569 for navigational purposes. ...
-Robinson. This map is known as a 'compromise', it shows neither the shape or land mass of -countries correct. ...
-Dymaxion Map. ...
-Gall-Peters. ...
-Sinu-Mollweide. ...
-Goode's Homolosine. ...
-AuthaGraph. ...
-Hobo-Dyer.
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The answer is “Two pieces of continental crust meeting at a convergent boundary”
When two continental crusts collide, a convergent boundary is formed. Neither of the two plates subducts because they have similar density. The mountains are beginning to form as the rocks are compressed.
