Hey there!
Oceania is the world's youngest ecozone.
Palearctic, Antarctica, and Australia are all older.
The correct answer to your question is option C.
Hope this helps you.
Have a great day!
Three affects that water shortage has on a region is that farming is harder to do because the planets will die without water and then we can't get food. People also don't have drinking water or water. Another effect is that people can't use water for everyday neccesities like keeping clean.
Can you be more specific as to what you are asking?
Answer:
What do you need help on and then I will edit this answer...
Explanation: