The principle of uniformitarianism does not include unusual or atypical geologic events such as an ice age or asteroid impact.

Question

Quizplus · Accepted Answer

The principle of uniformitarianism, which states that the same natural laws and processes that operate in the universe now have always operated in the universe in the past and apply everywhere, does include unusual or atypical geologic events. These events are considered part of Earth's geological history and are understood through studying the evidence they leave behind, indicating that processes such as ice ages or asteroid impacts have occurred before and can happen again.

The Principle of Uniformitarianism Does Not Include Unusual or Atypical