After its main sequence existence a medium sized star like our sun becomes a

Need hurry need the answers you. which chinese city is located just to the north and west of macao and hong kong? a shanghai b pusan c beijing d guangzhou. 2. what land feature between china and mongolia? a south china sea. b yellow sea c the himalayas d the gobi

What was the great rift valley formed by

Which two nations are doing the most to combat their environmental issues?