Obsidian is volcanic glass compared to other igneous rocks , there’s also no proper crystallization compared to the other igneous rocks
Volcanoes and Mid-Ocean Ridges are kinds of geologic features form at subduction zones.
Answer:
Nigeria
Explanation:
population of : 183,523,432.
More than south Africa.
Earth's inner core is solid even though the temperature is so high because the pressure is also very high.