This is because both of these regions have specific subjective opinions about these areas which reflect their feelings and images.
What this means is that both West and East in Europe were influenced by particular political ideologies - West by democracy, whereas East was influenced by communism. Even today, Eastern and Western Europe are quite reflective of those ideologies.
The amount of heat they are exposed to has a lot to do with the inferences and observations that they make on the density of the earth's core. The inner core is the most compact due to the fact that they have a lot of direct exposure to heat and the gravity of the earth pressung down on it. The inner core is less subjected to those conditions.
Aerial photographs are mostly taken from the air. Aerial photographs try to capture as much of the view as possible.
Your answer is: Air
Have an amazing day and stay hopeful!
The majority of Americans work in the service industry. Technology is rapidly advancing and is a high job demand. Hope this helps. ;)