In conclusion, I would recommend not passing any extra questions (so the reader can have a sense of closure). Also, I think the sentence “it is helpful if you already speak a foreign language.” Should be removed because it puts a limitation on the reader and makes them feel like they have an intimidating obligation. I would suggest something along the lines of:
Volunteering overseas is a unique and positive way to explore the world. The cost is often reasonable and the benefits obtained far outweigh the negatives. One can travel to magnificent new places and be able to make a difference where it is really needed. It cannot be recommended enough to engage in there wonderful opportunities as they are truly life-changing in their impact.
Permafrost refers to the fact that the ground in high latitudes which is permanently frozen - that is, which does not defreeze in the summer. It does not defreeze because it is isolated by soil - this is the correct answer - from the warmer air, so it is actually not in touch with the positive temperatures.
<span>Teacher/student
The senpai in Japanese culture is a kind of mentor, of upper class or upper age so this is similar to a teacher. Kohai is the equivalent of a student, or a protegee, and is usually younger. </span>
Bringing together the best of both hierarchy and democracy was perhaps the most important lesson I learned about leadership in the organization i've worked in.