Young Earth Developed a Layered Structure Under the Influence of

question 54

Multiple Choice

Young Earth developed a layered structure under the influence of

• A)impact heating and convection in its interior.
• B)gravitational contraction and radioactive decay.
• C)meteorite bombardment.
• D)gravity and density segregation-the process of differentiation.

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Definitions:

Polymorphism

A programming concept allowing objects of different classes to be treated as objects of a common superclass, enabling methods to act differently based on the actual class of the object they are acting upon.

Retesting

The process of testing software again to confirm that fixes for defects are working and have not introduced new defects.

Parent Class

In object-oriented programming, a class from which another class (the child class) inherits properties and methods.

Derived Class

In object-oriented programming, a class that inherits properties and behaviors from one or more base classes.