Earth’s Age- How We Know Earth is 4.55 Billion Years Old | GEO GIRL
27:36
The Key to Geologic Dating- How Do We Know The Rock's Initial Isotope Composition? GEO GIRL
22:02
Where Did Earth's Water Come From? & How Do We Know? GEO GIRL
24:12
When Life Moved To Land & The Disastrous Consequences | GEO GIRL
32:01
Not ALL Tectonics is ‘Plate’ Tectonics (w/Steven Baumann!) | GEO GIRL
51:24
How We Know What Happened in Earth's Past, like Ancient Climate, Geology, & Extinctions | GEO GIRL
14:39
How Do We Know How Old the Earth Is?
18:08
Geology during Break up of Pangea in Triassic & Jurassic ~252-145 Million Years Ago | GEO GIRL
28:18