If an Isotope Has a Half-Life of 4 Billion Years

question 43

Multiple Choice

If an isotope has a half-life of 4 billion years, then in 4 billion years

• A)all of the original amount will have decayed.
• B) of the original amount will still remain.
• C) of the original amount will still be present.
• D)all of the original amount will still be present.
• E)none of these

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Definitions:

Majority-Rule

A decision-making process that follows the principle that the opinions or preferences of more than half of the members of a group have the authority to make decisions binding on the whole group.

Median Voter

A theoretical concept in political science and economics suggesting that the outcome of a majority rule voting process will reflect the preferences of the median voter when preferences are single-peaked.

Decision Making

The cognitive process of selecting a course of action from among multiple alternatives.

Fairness

Fairness relates to impartial and just treatment or behavior without favoritism or discrimination.