Answer:
C. to serve in the military
Explanation:
It is not a obligation of citizens. Hope this helps! Please mark as brainiest!
When you put the continents next to each other (on a map, of course) in a certain way, they put together almost perfectly. To add to that, there are fossils of the same land species on two different continents, suggesting that they used to be able to cross back and forth between the two land masses. This would make the most sense if the two continents were once part of the same continent.
Cracks in rocks : mechanical
Lichen growing on rocks : chemical
Roots or plant growth making cracks in the concrete : mechanical
Worn away statues : chemical and mechanical in my opinion
Exposed rocks : mechanical
Rust on rocks : chemical
Latitude because the closer to the equator of the earth you are, the higher the average temperature in the region is. And the further away from the equator and closer to the poles of the earth you are, the lower the average temperature the region is.
Average temperature is more or less "climate".