For a Binary Many-To-Many Relationship Existing Between Entity Types a and B

question 111

Multiple Choice

For a binary many-to-many relationship existing between entity types A and B:

• A)a separate relation C is created;the primary key of relation C is a composite key consisting of the primary key for each of the two entities in the relationship
• B)the primary keys of relation A and relation B are designated as functionally dependent attributes
• C)secondary keys are used to establish the relationship
• D)place the primary key of either entity in the relation for the other entity or do this for both entities

Differentiate between negative reinforcement and punishment.

Identify the steps involved in the extinction procedure.

Understand the role of positive reinforcement in behavior modification and its implementation.

Comprehend the difference between escape learning and negative reinforcement.

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Definitions:

Longwall Mining

A method of coal mining where a long wall of coal is mined in a single slice, typically used in underground mines.

Smelting

The process of extracting a metal from its ore by using heat and a chemical reducing agent to decompose the ore, removing impurities.

Igneous Rocks

Rocks formed from the cooling and solidification of magma or lava, classified into intrusive (slow cooling inside the earth) and extrusive (quick cooling on the surface) types, such as granite and basalt.

Nonfuel Mineral Resources

Minerals found in the Earth's crust that are used for everything except fuel, such as metals, stone, and industrial minerals like gypsum and salt.