The crust is the thin layer
Answer:
Hot, humid Summer temperatures
It is thanks to Amerigo Vespucci and Christopher Columbus that the land was discovered, and so spurred other countires such as Spain and Portugal into what now is called the Age of Discovery. Not be outdone by the other, both of these countries wished to seize control of the raw materials and land available for their own. What they did not expect was the wide trade off of contact with the Native Americans. This includes plants, animals, diseases, and even slaves.
Answer:
The geographical isolation is the physical separation of two populations by the geographical barriers. This occurs through adaptive radiation and allopatric speciation. The reproductive isolation is the separation of two populations of the same species, preventing interbreeding and production of a fertile offspring.
Gulf of Aden is found between SA and Somalia