Volcanoes form by movement of tectonic plates, which causes melting of a solid body called as the mantle, in the deep earth surface. Tectonic plates themselves sink into the melting mantle. The rock surface inside the mantle melts up and moves up towards the crater and volcano erupts, lava and gases are released.
Answer:
A tsunami can occur when there is vertical movement at a fault under the ocean floor.
Explanation:
The correct answer of the question is this one: "E. oxygen." The diagram indicates that the third most abundant element in the milky way galaxy is oxygen.
Here are the following choices.
A. helium
<span>B. lithium </span>
<span>C. boron </span>
<span>D. hydrogen </span>
<span>E. oxygen</span>