please reply with 130 wrd response to each question

QUESTION 3: What explains the stark difference in population density found across Central Asia where some locations are sparsely populated where as other locations are densely populated?

QUESTION 4: In the 20th century the Soviet Union politically and economically dominated Central Asia. Today China is now exerting significant influence and control over the Central Asian region. Discuss some of the ways China is politically and economically getting involved the Central Asian region