Answer:
I, II, and IV
Explanation:
"Race" is not an answer as it means "Ethnicity".
Ethnicity can be simply described as a person's identification in related to a certain group of peoples with a certain value system, culture and language.
In this case, all, the speaking language, cultural traditions and the shared common history identifies one group of people from another.
Answer:
D
Explanation:
A tectonic plate is composed of both continental and oceanic lithosphere. It is a large, irregular slab of solid rock. However, plate size can vary.
The Earth is roughly a sphere. The Earth is an irregularly shaped ellipsoid.
The Panama Canal because it makes the most money and is the most important out of all the four.
