Which one of the following observations and inferences is most consistent with the idea of uniformitarianism?
A) The number of erupting volcanoes is constant throughout geologic time, so this is not a big influence on changing climates.
B) Sand rolls along a stream bottom at the same rate every hour, every day, year in, year out.
C) Meteorite impacts always occur at regular intervals and this has forced biologic evolution.
D) Mountains are dissolved and/or eroded mechanically one ion and one mineral grain at a time and carried down to the sea.

Question

Quizplus · Accepted Answer

Uniformitarianism is the principle 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. Option D, which describes the gradual and continuous process of mountain erosion and sediment transport, aligns with this principle by illustrating how slow, consistent processes shape the Earth's surface over time.

Which One of the Following Observations and Inferences Is Most