Answer:
if there is not one of those that will be your answer
Explanation:
five themes of geography location place human environment interaction movement and region
'Climatic variations' and 'Human activities' can be regarded as the two main causes of desertification. removal of the natural vegetation cover（by taking too much fuel wood）, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
My aunt does and my uncle
The statement that states have intangible boundaries is false. Your answer is B
