The following sentence has an error. Identify the error, and the corrected sentence: Animals indicate they have feelings the research supports this.

it is about the use of non animal tested cosmetics.

whats the question you didnt post a question

explanation:

  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.