The Solar System Formed About How Long After the Big

question 70

Multiple Choice

The solar system formed about how long after the Big Bang?

• A) immediately
• B) a few hundred million years
• C) nine billion years
• D) 13.8 billion years

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Definitions:

Base Class

The parent class in a hierarchy from which other classes inherit methods and properties.

Base Class

The class from which other classes inherit properties and methods. It is the superclass in a hierarchy of inheritance.

Shoe Hierarchy

A conceptual classification scheme for organizing different types of shoes in a hierarchical structure based on their characteristics and relationships.

Downcast

Casting an object reference down the class hierarchy to a subclass type, requiring explicit casting in statically typed languages.