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>
Answer: All of these
Explanation: Plates tectonics process is the process that usually takes place near the edges of the planes and it is caused when the earth's outer shell gets divided into various number of plates and get floated over the mantle surface. Faulting occurs when there is any sort of action like extension, compression or transformation in the tectonic plates .
Glass is Natural Resource
Answer:
The margins of glaciers are usually darker than the interior primarily because: Growth and associated glacial erosion. When glacial accumulation is greater than glacial ablation, the result is glacial. retreat and associated glacial deposition.
Explanation:
