Answer:
Spreading, Subduction
Explanation:
The areas in which new sea floor and oceanic lithosphere are formed are called spreading centers, and the areas where older oceanic lithosphere is recycled as it descends and melts are called subduction zones.
Answer:
Each branch has a different set of responsibilities and powers to make sure that each branch doesn't overpower over another. One of the branches of government is the executive branch.
Explanation:
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Answer:
The correct option is: <u>d. Volatiles released from minerals in the subducting plate lower the melting temperature of hot mantle rocks above them.</u>
Explanation:
<u>Magma </u>is the hot molten or semi-molten natural liquid, present under the surface of the Earth.
The subducting basalt and sediment contains a large amount of surface water and also in the form of <u>hydrated minerals</u> and <u>volatiles.</u>
The subduction of the plate deep into the earth results in greater pressures and temperatures. This causes the slab to release the water present into the overlying mantle wedge. This release of water, lowers the<u> melting temperature of the mantle rock</u> such that it melts. This results in t<u>he generation of magma.</u>
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Sediments is most likely to be as a result of the interaction.
As wind and water are both weathering agents that cause the fragments of rocks to loosen,under the pull of gravity the fragments will fall off and sediments will be formed.
Reason why these are incorrect:
Lava and magma- Rocks has to be molten under an extremely high temperature to turn back into magma of lava,as the high
temperature is not present,the formation is impossible.
Metamorphic rock- It requires either high temperature or high pressure to lead to the formation of metamorphic rock, however the conditions are not present, thus this is incorrect.
Details of weathering:
The water would seep into the joints of the igneous rock as it is well-jointed,and carry out chemical weathering.
The materials such as feldspar and mica are nit weather-resistance hence easily loosen after weathering take place,causing the fragments to fall off.
Hope it helps!
Answer:
How cyclone affect the environment and human lives