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A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics. It typically has a depth of about 2,600 meters (8,500 ft) and rises about 2,000 meters (6,600 ft) above the deepest portion of an ocean basin. This feature is where seafloor spreading takes place along a divergent plate boundary. The rate of seafloor spreading determines the morphology of the crest of the mid-ocean ridge and its width in an ocean basin. The production of new seafloor and oceanic lithosphere results from mantle upwelling in response to plate separation. The melt rises as magma at the linear weakness between the separating plates, and emerges as lava, creating new oceanic crust and lithosphere upon cooling. The first discovered mid-ocean ridge was the Mid-Atlantic Ridge, which is a spreading center that bisects the North and South Atlantic basins; hence the origin of the name 'mid-ocean ridge'. Most oceanic spreading centers are not in the middle of their hosting ocean basis but regardless, are traditionally called mid-ocean ridges. Mid-ocean ridges around the globe are linked by plate tectonic boundaries and the trace of the ridges across the ocean floor appears similar to the seam of a baseball. The mid-ocean ridge system thus is the longest mountain range on Earth, reaching about 65,000 km (40,000 mi).
Answer:
It is done by creating level ramps on the escarpment or walls of stones that will retain water. For rice cultivation it is important that the land is always moist, or even flooded, so the storage terraces are advantageous for this crop. These are terraces built to retain rainwater, allowing them to seep into the soil.
Explanation:
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Answer:
Maine
Explanation:
Maine is much larger than Rhode Island so it has a longer coastline. You can see this in the attached map.
Answer:
Warm, Wet Southern Winds and Dry, Cool Northern Winds
Explanation:
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Answer:
1. Arctic Ocean
2. Mediterranean forest
3. Indonesian rain forest
Explanation:
The biodiversity of an ecosystem is directly connected with the living conditions in it. The Arctic Ocean, for example, has a very harsh climate. It is constantly winter, the temperatures a very low, and everything is covered in ice and snow. This has resulted in very limited biodiversity. The Mediterranean forests are part of the ecosystems in the temperate zone. This ecosystem has medium biodiversity, neither a lot nor little. It is an ecosystem that requires special adaptations, especially for the drought period and high temperatures, but in general it offers good living conditions. The Indonesian rain forests on the other hand, are part of the equatorial rain forests. They are constantly warm and moist, resulting in enormous amount of species of flora and fauna to be able to exist in them, ranking them as one of the places with the highest biodiversities in the world.