I dont understand what you are asking.
True
Explanation:
Rock records through time indicates that there were many more volcanic eruptions in the early history of the earth than we have today.
In fact, the earth is experiencing quite a low level of volcanism compared to the time it originally formed.
- Volcanic eruption is the movement of magma from within the earth to the surface where they can cool and become solidified.
- Most of the volcanoes we have today are inactive to dormant. Just a few volcanoes are still active.
- Most of them were even formed several millions of years.
- Little to no new volcanoes are being formed today.
- When the earth originally formed, series of volcanic activities punctuated the surface.
learn more;
Volcanic eruptions brainly.com/question/5055821
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B, they are floating on the asthenosphere, which is a layer below the lithosphere that acts somewhat like melted plastic.
Answer:
The quality of population depends on life expantacy , literacy rate , health status, sex ratio