Before the rise of the Mongols in the 13th century, it is now
called central and western Inner Mongolia, particularly the Hetao region,
change back and forth in control between Chinese agriculturalists in the south
and nomadic Mongol of the north. is known through Chinese chronicles and
historians.
Answer: oxygen
Explanation: bc I got this right on my last year bio quiz
If u get it wrong oof
I’m sure of my answer
Maybe it’s
Carbon if u get it wrong but I’m sure it’s oxygen :)
What are the other choices ????