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Longshore currents are affected by the velocity and angle of a wave. When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, longshore currents increase in velocity. ... This process, known as “longshore drift,” can cause significant beach erosion.
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A. To show the world exactly as it is.
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The EU - setting the pace in international environment policy
European citizens enjoy some of the world's highest environmental standards. However, no matter how robust internal EU environmental legislation is, it cannot shield us from the negative consequences of trans-boundary and global environmental degradation, nor does it sufficiently reduce the impact of the EU's economic activity on natural resources worldwide. Today’s challenges are much more inter-related and we have to make sure that we achieve sustainable development in all of its three dimensions: environmental, social and economic.
Confronting the global challenges of climate change, biodiversity loss and biosafety, deforestation, air and water pollution, and chemicals management – to name but a few – requires real commitment and effective cooperation at the international level.
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Answer:
Abyssal Hill
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The given words/phrases are directly related to the seafloor spreading process.
In the case of divergent plate motion, plates move in the opposite direction. Due to this, the thickness of the lithosphere decrease and with the increasing time, it results in the eruption of magma at the seafloor. In the ocean basin, these magmas erupt along the mid-oceanic ridge, and in the continental areas, it leads to the formation of a rift and later forms a rift valley.
Some of the segments of the mid-oceanic ridge in the oceans are quite gentle with no roughness along the slope and some segments are steep and rough. It occurs because of the differences in the spreading rate, and this is commonly known as oceanic rise. The rocks that are formed at the mid-oceanic ridge are the youngest of all other rocks.
The odd one here is the abyssal hill, which is formed generally at the seafloor. When the areas at the abyssal plains are comprised of large deposits of sediments forming a hill, then it is called an abyssal hill. It is not related to the seafloor spreading. It is simply a feature of the ocean floor.
