Supplies were carried almost entirely by human porters, with some use also being made of bicycles, elephants, and pack horses. When a Transportation Group first worked on the trail during the summer of 1959, the Trail passed south through the western portion of the Special Zone, crossed the between North and South Vietnam at the Ben Hai River and continued through the rugged mountains of western provinces in South Vietnam.
The natural resource enables the operation of most of China's power plants is coal. Coal has been one of the most exploited form of natural resource because of its great amount of chemical energy in it. In the current events, China has disapproved the construction of coal-fired plants for the environment.
Because as you approach the center it gets warmer
I believe the answer is false...?
