In Order to Use a Radioactive-Decay Scheme to Calculate the Age

question 61

Multiple Choice

In order to use a radioactive-decay scheme to calculate the age of a mineral all of the following conditions must be met except

• A) the half-life must be known.
• B) no daughter isotope present prior to the start of parental decay or the amount of daughter can be determined.
• C) no parent or daughter isotopes can be gained or lost from the mineral once decay starts.
• D) only one radioactive isotope can exist in the rock so that cross-decay doesn't occur.

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Definitions:

Transactional Leadership

A management style focused on the supervision, organization, and performance; it is based on a system of rewards and punishments.

Transformational Leadership

A leadership style that inspires followers to exceed their own interests for the good of the group or organization, often leading to remarkable levels of achievement.

Transformational Leadership Theory

A leadership approach that causes change in individuals and social systems, aiming to create a vision for change and guide followers towards higher levels of performance and moral standards.

Transformational Leadership

A leadership approach that causes change in individuals and social systems, aiming to create a vision for change and guiding those who follow through inspiration.