Answer: A
Explanation:
Native Americans, life was very difficult on the journey west.
To shortly answer your question, an ethic community is a community of people who relate to each other in terms of culture, traditions, and overall ethnicities. An example of an ethnic community (I am speaking on myself) would be Juneteenth. In no way do I mean offense, it is just a mere example. If you need better understanding, let me know and I will gladly assist you.
The correct answer is letter D
Perception is about the process by which real objects, people, situations or events become conscious. It is through perception that the human being knows the world around him in a total and complex way. Perception differs from memory, because it concerns current events and is also different from intelligence and thinking in that it refers to concrete situations.
Perception is more of a concept in psychology that has different considerations, depending on the theoretical approach. It can be understood as the product of various sensory elements linked to experiences that the individual has previously, it can be understood in a very global way, being irreducible to sensations, or it can have such broad characteristics that it is confused with any cognitive process.
Answer: 450.28
Explanation:
225 divided by 3.14=71.7 so R=71.7 and the diameter would be 143.4 and C=3.14x143.4= 450.28