What Fraction of the Mass Needed to Halt Expansion Is

question 8

Multiple Choice

What fraction of the mass needed to halt expansion is known to exist in the form of visible mass in the universe?

• A)1 percent
• B)4 percent
• C)22 percent
• D)74 percent
• E)100 percent

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Definitions:

Reinforcer

An element or event that increases the likelihood of a behavior being repeated.

Planned Activity

An organized, intended action or set of actions developed in advance.

Organizational Objective

A specific goal that an organization aims to achieve, which directs its internal decision-making and strategy.

Change

The process or act of making something different than it was before, involving alteration or transformation in structure, appearance, or behavior.