Câu hỏi:

Complete the article using the clauses in the box.

A. which attracts millions of visitors each year B. because pollution and deforestation are major threats C. as they play a crucial role in the ecosystem D. if people do not follow conservation rules E. which helps raise awareness about environmental protection

Natural wonders are breathtaking sites that need to be protected for future generations. Many famous natural wonders, such as Ha Long Bay, (36) ______, are at risk due to human activities. These places need strict protection (37) ______.

One way to preserve natural wonders is through conservation programs, (38) ______. People should also understand the importance of forests and oceans, (39) ______, providing shelter for countless species. However, these wonders may disappear (40) ______, such as littering, illegal logging, or damaging coral reefs.

Many famous natural wonders, such as Ha Long Bay, (36) ______, are at risk due to human activities.