3 ms·
The Earth is more than 4 billion years old. Look up zircon crystals: https://en.m.wikipedia.org/wiki/Zircon#Radiometric_dating https://en.m.wikipedia.org/wiki/Z
by dwaltrip 8y ago
The Earth is more than 4 billion years old. Look up zircon crystals: https://en.m.wikipedia.org/wiki/Zircon#Radiometric_dating https://en.m.wikipedia.org/wiki/Zircon#Radiometric_dating