Answer:
D. They realize that he is the only person who is willing to participate
Explanation: Because he has a lot of determination.
Charlie is chosen for the experiment because he is a hard worker who desperately wants to learn, despite the many setbacks and limitations he encounters. The researchers know this because Ms. Kinnian vouches for him.
Answer:
Explanation:
Humboldt challenged European nations about the American Continent, this sentence implies that Humboldt contradicted some comments about the continent.
For example:
There are comments like: the continent doesn't have any history or culture, that is a new continent younger than Europe.
Humboldt said both continents have the same age.
American Continent was ruled and looted for people like kings, who had never set foot in the entire continent.
My best friend loves to laugh.
When I laugh, my stomach hurts.
His laugh makes him sound like a hyena.
Think along these lines :)
Written in an amiable style, the book provides a comprehensive overview of European wines that should prove 
to both the virtual novice and the experienced connoisseur.
