Choose the topic sentence that best fits the paragraph below. Scientists studied people who learned the new skill of
juggling. The juggling practice did help the brain grow
larger, but it shrank back to normal once the person
finished practicing the new skill. It seems that the brain
both grows and shrinks with the learning of a new skill.

Where are the answer choices?

Scientists and the brain

did you figure it out? i need on this same question

  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.