Saudi Arabia built the coastal cities of Yanbu and Jubail because they are located on the Gulf Coast, and they provide a good fishing community and have provided a lot of natural resources.
Answer: D) None of the above
Explanation: The subschema differs from the schema in that one denotes the appearance of data in the Database Base Management System (DBMS) while the subschema which is also referred to as the external schema is that subset of the schema is visible or relevant to the user. Thus, It is the view of the database which is visible to an application program. Virtual tables in a database usually represents an object structures like a table which is the result of running certain database commands or functions such as the create table, view, select and so on. Virtual tables are not stored directly in database files.
Sea-level changes are termed eustatic if they are local changes. The correct answer is D.
<h3>What are sea level changes?</h3>
This has to do with how the level of the sea gets high or gets lower based on the land or the location.
When it is said to rise, it means there is an increase in the level of the ocean water.
Read more on sea level here: brainly.com/question/2092614
The head of the Eastern orthodox church is the
<span>Ecumenical Patriarch.
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