Well, all terms would suggest to A. it made life much shorter. Starvation makes you weak, and your vital organs don't function properly, often times leading to death. Hope this helps!
Depends how you define nature.
The solar system is made by nature.(the big bang)
Mountains are made by nature (movement of the plates everything is located on)
Vulcanos (eruptions spit up all the earth and made these mountain like structures
