What are you asking, for the def??
Answer:
ITA THE SECOND ON THE THIRD LINE
Explanation:
Oxygen makes up 21 percent of the earths atmosphere
Answer:
Zealandia
Explanation:
Based on geological definitions of a continent, the Earth actually has a lost eighth continent. It sunk a long time ago but it is said to be connected to New Zealand.
It is very high and surrounded by desert. Good luck!