All of the above are pull factors (reasons someone would want to leave their home country or area and move to another country or area)
I would choose option b: people are leaving rural areas and moving to urban areas; as the most likely reason because there are more job opportunities in urban (city) areas then rural (farmland) areas.
- war torn areas aren’t very common nowadays as reasons people would leave
- government policy is likely when moving from country to country but areas is also given in the question. Therefore it is not as likely of an answer
- land and resources is a valid answer for when areas were less urbanized; but also for when moving from country to country and less of area to area.
Hope this helped :)
Shoot this is a hard one sorry no help
Erosion
Internal and external forces are geologic processes that shape the Earth’s surface. External forces include weathering and erosion. Erosion is the movement of weathered material by the actions of gravity, wind, water or ice. The Great Lakes are caused by glacial erosion. Slow, moving glaciers change the landforms by causing an erosion. The carved out basins (by the glaciers) and the subsiding crust, expanded the drainage basin, collecting water to form lakes.
The answer is C. the depth of the water table decreases
Water table is the boundary between water-saturated ground and unsaturated ground.
When the groundwater dissapear faster than it replenish, the depth will decreases, making it harder for people to gain access to the groundwater