Answer:
Elements are pure substances because each element is made up of a single kind of atom.
Explanation:
USA.
The United States supported South Korea in the Korean War, because they were capitalist and democratic.
They have the same amount of humidity. The climate is the same. And they are in the same continent. lastly they have the same time.
Earth's inner core is solid even though the temperature is so high because the pressure is also very high.
