1) Because this place is inaccessible and inhospitable.
2) Because in these countries, cave exploration is a popular activity.
3) It is cold temperature and hig pressure.
4) Roughly 98% of the ocean remains unexplored.
5) Because there are hard-to-reach places where anything can be hiding.
6) The peculiarity is that animals can survive at high temperatures and minim
Объяснение: можно лучший ответ