There are number of endemic species, because island isolation promotes allopatric speciation and the latter occurs when species become separated from each other to the level that prevents genetic recombination.
Answer:
Your answer is A) Sedimentary. The rocks and pebbles you see on a daily basis are most likely limestone, which is an abundant sedimentary rock.
I am generally confused as to of what you are asking. Can you post something so i can see what you need? I just am confused.
Dominant m8 hope this hleps
