In what kind of tone should this quote be read?
"i wasn't sure i could keep a straight face and wave him off to another jungle or desert without sitting down and crying"
a.
excited
c.
happy
b.
somber
d.
none of the above

i think the answer would mist likely be an adjective clause, because unhappy is an adjective.

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.

the answer is a (apex)