| River (1058) |  |
| Rivulet (2) | |
| Tidal river (1) | |
| Watercourse (3) | |
| Waterfall (69) | |
| Waterside (101) | |
| River (1058) | |
| Rivulet (2) | |
| Tidal river (1) | |
| Watercourse (3) | |
| Waterfall (69) | |
| Waterside (101) | |
Previously the earliest evidence of eating meat found in Olduvai gorge in Tanzania dates to 1. 8 million years ago.
This story has been corrected to note that Olduvai gorge is in Tanzania not Kenya. Follow Tia Ghose on Twitter@tiaghose. Â Followâ Livescience@livescience Facebookâ & Google+.
Watercourses and in particular the giant Amazon were considered thus as net sources of emissions releasing more CO2 than they absorbed.
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