It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. Farmers in the Asian Region <span>will be most impacted if all artemisinin is grown synthetically. It is grown mainly in China and Vietnam. Hope this helps.</span>
The answer is Africa border the Persian Gulf. This is not true and actually Africa borders Africa the Atlantic Ocean, the Indian Ocean, the Mediterranean Sea, and the Red Sea.
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.