rested in Korean royal palaces, and traditional Korean culture.
I found that there were many questions tourists wanted to know about the past of Korea. For instance, North and South American tourists asked me about how Joseon dynasty could last for over five hundred years. European visitors wanted to know that Korea still has the royal family members. Asian tourists were curious about why al
II. How is CBM formed
Coalbed methane (CH4) forms in one of two ways. During the earliest stage of coalification (the process that turns plant detritus into coal), biogenic methane is generated as a by-product of bacterial respiration. Aerobic bacteria (those that use oxygen in respiration) first metabolize any free oxygen left in the plant remains and the surrounding sediments. In fresh water
들어가며
2011년 12월 15일 미국 행정부가 이라크 전쟁의 종전을 선언했다. 2003년 3월에 시작되어 8년 9개월 동안 이어진 전쟁이 공식적으로 마무리된 것이다. 이라크 전쟁의 시작은 세계를 들끓게 만들었지만, 그 끝은 아무도 관심을 갖지 않았다. 시작과 달리 그 끝은 조용했고, 그렇게 또 하나의 전쟁