The two most obvious ones are on the far right, and near the far left. Oceanic lithosphere is descending into the earth's mantle at these places, and being destroyed. ... At convergent boundaries oceanic lithosphere is always destroyed by descending into a subduction zone
The fact that volcanic rock has often been found early in the rock record but less frequently in later rock layers suggest to scientists the following conclusion about early earth: <span>volcanic activity was more common in the past than it is today.
</span>Besides volcanic activity in general, also huge volcanic eruptions<span> were much </span>more common than today<span>.</span>
A. False. It is also made up of Gutenberg discontinuity,Mohorovicic Discontinuity,Hydrosphere & many othersPS: The crust is also called Lithosphere.
B. True. Metamorphic rocks are created by the physical or chemical alteration by heat and pressure of an existing igneous or sedimentary material into a denser form
C. True.
D. True. Formed by crystallizing melted material (magma)
E. True.
Sorry for the long explanations. Hope it helps!! :)
Answer:
the amount of total precipitation
