Answer:
I believe that they are decendents of the earliest split from ancient Eurasian populations.
If there was more than one planet on each orbit, eventually they would collide with each other.
Answer:
root wedging
Explanation:
Due the tropical climate, there will be presence of trees which will aid rooting wedging in Weathering of rocks
I'm not 100000% sure but id have to say Catholicism
Hope i was able to help, ~Kashout kam
Language seems the obvious answer