A jet stream is a fast flowing air current that occurs in the atmosphere of Earth and other planets. A global wind belt is formed by the Earth's spin and the unequal heating of the Earth via sunlight!
A permeable rock breaks down quicker than a rock that is not so permeable because there is less space for anything (i.e. water) to get in the not so permeable rock in order to widen the holes and ultimately break the rock. On the other hand, a permeable rock is full of holes and will break down because of the many holes available to widen.
They mostly go settle near water, the ocean is one of their best sources to survive with.
Isthmus is a narrow strip of land that connects two larger landmasses.
Polynesia Island was the most recently settled
