I would personally go with an ice core because everything is frozen and just as it was all those years ago, therefore I'd feel like I had more and accurate data.<span />
Answer:
The combination of the Suns revolution and the fixed angle of the Earths axis results in seasonal changes
Hot and dry. I am not very sure though.
It would be the Rio Grande
Answer:
by praying for understanding to God almighty
Explanation:
