1.  Besides, if people concentrate too much on appearances, there are less people who are unnoticed but dedicated behind the scenes left.

2.  Can we leave internet ?

3.  "If we continue to fish down the food chain and take smaller and smaller fish like anchovies, there won't be anything left for penguins and other wildlife that depend on these small fish for food. "

4.  What if these students leave the campus with ignorance of the world outside ?