Natural Vegetation means the vegetation is growing by itself for example you have been growing onions so it been grown by it self
with sunlight and water
Wildlife means the adaptation of animals where the animals live.
People here in America are used to more personal space because it is not over populated. But in other countries with crowed houses and overpopulation you would not even be able to walk in your own space.
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.
Yes the area in which Saudi Arabia is, is a peninsula because it is surrounded by the persian gulf, Red Sea and the Indian Ocean