Navigation requires knowing what?
north, south, east, west hydrogen and oxygen a thing that can be panoramic higher, lower physical properties at least one in every five How much space it takes up A hinged joint
A B C D E F G H
Navigation requires knowing what? (A) north, south, east, west (B) hydrogen and oxygen (C) a thing that can be panoramic (D) higher, lower (E) physical properties (F) at least one in every five (G) How much space it takes up (H) A hinged joint