The statement which summarizes the reason why the United States is one of the most ethnically diverse countries in the world is: B. People migrate to the United States from all over the world for economic opportunities and political freedoms that they may not have in their own countries.
Migration can be defined as the movement of a group of people from one geographical location (region) to another geographical destination, in search of better living conditions, work or social amenities.
Migration selectivity refers to the likelihood or tendency that a subset (part) of a group of people would move out (migrate) of a particular geographical location or region.
Some of the factors that influence migration selectivity include the following:
Currently, the <u>United States of America</u> is considered to be the safest, secured and best country with a thriving economy that provide jobs for its citizens and immigrants.
Hence, people usually migrate to the <u>United States of America</u> from all over the world in search of better economic opportunities and political freedoms that they may not have in their own countries
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Answer: the minerals its contains and their resistance to weathering
Answer:
Different types of map projections are needed because they all have advantages and disadvantages, so none of them is perfect and they can complement each other.
Explanation:
There are numerous different types of map projections in usage. Each of them has its own set of unique characteristics, and each of them has some advantages, but also some disadvantages. This practially means that none of the maps is perfect and is not able to satisfy everything that is needed of it.
Some map projections have distortion around the Equator, some have distortions around the poles, some don't have distortions but they have shapes that are not suitable for practical usage. This leads to the usage of multiple map projections in order to get all information as objectively as possible instead of using one. If only one map projection is used then everyone will face a problem with wrong information about certain things and having a wrong perception of the world.
