Why Is There Very Little Physical Evidence of Life from Rocks

question 34

Multiple Choice

Why is there very little physical evidence of life from rocks of the Archaean eon?

• A) Those rocks have been deeply buried in most parts of the world.
• B) Those rocks occupy inaccessible areas of mountainous regions.
• C) Those rocks have been greatly eroded in most parts of the world.
• D) Those rocks occupy the polar regions and are thus covered by glaciers.
• E) Those rocks have been deposited in oceanic trenches deep in the oceans.

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Definitions:

Dependent Variable

The variable in an experiment or study that is expected to change in response to changes in the independent variable.

Regression Model

A statistical technique used to predict the value of a dependent variable based on one or more independent variables.

Intercept Term

A constant in a regression model that represents the value of the dependent variable when all independent variables are zero.

Statistically Significant

A term indicating that an observed effect in a study is unlikely to have occurred due to chance alone, according to a predetermined threshold for significance.