A, i think. i don't know a lot but i think a makes the most sense.
Answer:
b. The terrain is mostly desert and mountains
Explanation:
Afghanistan is a country that has proved to be extremely difficult to invade, and that has been the case for thousands of years. There is one major reason for this, the geography of the country. The country is dominated by very high mountains that create rain shadow and and deserts. The mountains themselves are extremely difficult for passing through, and even if they are passed by an invading army, they will take their toll. Once the mountains are passed, an invading army would face desert, very dry climate, very few food sources and very little water, with temperatures varying from scorching hot in the summer, to freezing cold in the winter. So even if an army passes through both of these natural obstacles, when it comes to face the natives it will be too weak to invade.
Sedimentary rock is the rock from which soil forms.
Telecommunications has certainly been a big influence.
1. <span>an expert in or student of anthropology
2. </span><span>an expert in or student of the development, structure, and functioning of human society
3. the people
4. </span>Urban geography<span> is the subdiscipline of </span>geography<span> which concentrates on those parts of the </span>Earth's surface<span> that have a high concentration of </span>buildings<span> and </span><span>infrastructure
5. </span><span>are atmospheric scientists who study the Earth's climate
6. </span><span>A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes that shape it
7. </span><span>is a scientist who studies fossils. If your basement is filled with fossils found while out on hikes, then you're an amateur </span><span>paleontologist
8. </span><span>covers a wide range of topics, including marine life and ecosystems, ocean circulation, plate tectonics and the geology of the sea floor, and the chemical and physical properties of the ocean</span>