I feel as if it's D- None of the above. Because though America may support these things, other countries may not.
I think the answer is D:all of the above.
Answer:
A volcano is formed when hot molten rock, ash and gases escape from an opening in the Earth's surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here. As a volcano erupts, it spills lava that flows downslope. Hot ash and gases are thrown into the air.
Explanation:
Earth's inner core is solid even though the temperature is so high because the pressure is also very high.
