1.In spite of the changes going on in the world brought about by science and technology , the essay tells us that a . economic status remains the same . b . standard of living remains the same c. values do not change d . way of life does not change​

go i think this should he the answer i'm not sure

n arraignment is not a hearing to determine guilt or innocence. it is usually a criminal defendant's first appearance in court 

  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.