C! water vapor freezes into crystals
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:
The Ring of Fire borders mayor plates tectonics that cause earthquakes and tsunami. Depending on the movements of the plates the volcano or volcanoes may become active and erupt. Bordering Japan there are 60 active volcanoes that could erupt at major movements from the tectonic plates.
Explanation:
Hope this helps!
Is this for the entire world or just The U.S.? If its the U.S. than its increased slightly.