-To guide people on where to cross the road/street and where not to stand
-To guide cars on how to move in a correct order to avoid chaos
Answer:
It is the sense of "a nation as a cohesive whole, as represented by distinctive traditions, culture, and language." National identity may refer to the subjective feeling one shares with a group of people about a nation, regardless of one's legal citizenship status
There is really nothing to know. All you have to use is context clues and common sense. We know some synonyms for direct are manage and handle. Indirect means not direct, right? And we can't handle or manage earth's interior (core), right? Therefore, the study of earth's interior is an example of indirect observation because we cannot directly manage it.
