This one is tricky. Man measures time with the clock with the two hands, but if we were talking natural you become older whether you like it or not and then you die.It does depend which way you were speaking but if I chose one I would say it was natural. But it is up to you to make the decision...
It depend what the disaster is. Natural disasters can affect just a small, local area in one country - or the whole planet (as happened with the Icelandic volcano eruption).
The difference between a human-made system and a "natural" system will depend entirely on what the system is. In many cases the human system will be simpler and have a narrow focus.
Sunspot regions appear as dark areas in X-ray images of the Sun, as they are cooler compared to the surrounding active regions. This contrast helps in distinguishing sunspots from other solar features that emit more X-rays. The size and shape of the sunspot region in X-ray images depend on its magnetic field strength and orientation.
Every year it snows somewhere in the world in April.
No. If you mean climate regions, these depend mostly on altitude, not if they belong to a certain area within those mountain ranges. As of cultural or economic regions, these depend on other factors besides these ranges, such as climate, closeness to certain natural resources or quality of the topsoil.
Europe
They depend on natural variation in traits due to mutation.
Culture Regions change when they borrow culture traits and they depend on each other econimicly.
They all depend on each other.
no country
That would depend on which country you are asking about.
density that is dependant on mass
from natural place depend tradition of that place.
Fury
Fury
natural gas