The first question is D. desert
and the second answer is B. the study of land
because geography's meaning is the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries. HOPE THIS HELPS
South Asia is a really difficult place to try and centralize the countries. A big problem are the large populations in the countries, with the likes of India, Pakistan, and Bangladesh all being in one of the most populated countries in the world, so centralizing them would mean that hundreds of millions of people will either live on the verge of existence (even worse than it is now), or will be moving towards the city where the centralization will be taking place, and there's no such place that can function properly if that amount of people flood in it. Another problem is that there's multiple cities that are very big, with millions of people living in them, and if centralization takes place, they will start to decline in every aspect, and that will cause huge problems of all sorts on national level.
I think B because it involved friction
The correct answer for the given question above would be option B. The essential aspect of geography that you would learn about the creation of mountains would be physical systems. The physical systems of geography is also known as physical geography. Physical geography is the scientific study of the natural features of the Earth's surface.