Give an Example of the Kinds of Physical Evidence That

question 4

Essay

Give an example of the kinds of physical evidence that have been used in the past to create nonreactive measures of variables.

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Definitions:

Dissociates

Refers to the process by which molecules or ionic compounds split into smaller particles, often ions, in solution.

Rainwater

Water precipitated from clouds in the form of rain, often considered as a natural source of relatively clean water.

Acidic

A description for substances with a pH less than 7, indicating a higher concentration of hydrogen ions (H+) than water.

Hydrogen Ion

A positively charged ion (H+) formed when a hydrogen atom loses its electron.