2 commonsense assertions
Concepts (2) erosion (1) geological time scale (1)
# Concept Culture Statement Freq.
1 erosion Geological science culture Erosion is the wearing down of surfaces by natural elements like water, wind, or ice. 3
2 geological time scale Geological science culture Geological time scale is a chronological dating system dividing time into eons, eras, periods, and epochs in geological science culture. 3