Question

1. The new crust is formed by
2. The reason for the eruption of Earthquake​

Answer 1

Answer:

1) Oceanic crust is continuously being created at mid-ocean ridges. As plates diverge at these ridges, magma rises into the upper mantle and crust. As it moves away from the ridge, the lithosphere becomes cooler and denser, and sediment gradually builds on top of it.

2) Most earthquakes directly beneath a volcano are caused by the movement of magma. The magma exerts pressure on the rocks until it cracks the rock. Then the magma squirts into the crack and starts building pressure again. Every time the rock cracks it makes a small earthquake.

Explanation:

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Answer 2

Answer:

1st answer is:

Explanation:

earth crust is composed of igneous metaphoric and sedimentary rocks

2nd answer is:

most of the earthquakes directly beneth a volcano are caused by moment of magma

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