The correct answers are:
1. True;
The culture is a set of shared characteristics, traits, of the human societies that make them unique in their own respective way.
2. True;
The mouth of the river is the final part of the river when it flows into another body of water, be it a bigger river, lake, sea, or ocean.
3. False;
The sound is a geographical feature that is filled with water and gets deeper into the mainland, resembles a fjord, but it is deeper, and also wider.
4. Human;
The human geography is mainly focused on the aspects of the human activities on the environment, the effect the environment has on that, and the effect the humans have on the environment.
5. Physical geography;
The physical geography is focused on the studying of the formation, evolution, and appearance of the physical, abiotic part of the nature.