Answer:
Seafloor spreading results from intense activity in the upper mantle which cracks the crust and pushes it away.
Explanation:
Seafloor spreading is a process that was first noticed by Alfred Wegener and was used by him in his theory of plate tectonics. There are three types of plate boundaries; convergent boundary, transform boundary, and divergent boundary. The last one is the one where seafloor spreading occurs.
The convection currents in the mantle are the process that breaks up the crust and move the tectonic plates, and when there is higher activity than usual at some place it results in break up the crust of an already existing tectonic plate. Basically, magma rises at a higher rate and pushes through the crust, in this case, the oceanic crust, and it manages to gradually break through it and come out on the seafloor. By doing so, the magma and the pressure from below are pushing the two now divided parts of the plate. As the space between the two different parts becomes larger and large the density of the crust becomes smaller and smaller so more and more magma rises through. The magma quickly solidifies on the ocean floor and piles up, thus creating an underwater mountain range known as a mid-ocean ridge.
A STATE is a network of people, pretty much various, involving a positive domain, having a coordinated government, and appreciating autonomy from outer control.
Answer:
Choice C, The state has four basic components – Population, Territory, Government, and Sovereignty. Political party isn’t a basic component of the state. The Element of state is Population Territory Government Sovereignty Population. It is the individuals who make the state. Populace is fundamental for the state. Greek masterminds were of the view that the populace should neither be too enormous nor excessively little.
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Letter B. global winds and pressure systems
The answer is
A
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