How Old Is The Earth?
51
2
1,695 Mga view·
08/27/11
Sa
Life
The Earth is clearly old, but exactly how old was difficult to work out. People long believed the Earth had only existed for several thousand years. Then, in the 1800 s, a study of geological...
Magpakita ng higit pa
0 Mga komento
sort Pagbukud-bukurin Ayon
