8
Geography is a field of science devoted to the study of the lands, the features, the inhabitants, and the phenomena of Earth.
Added 2/22/2016 5:43:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [2/22/2016 9:59:30 PM]
8
Biological weathering is the weakening and subsequent disintegration of rock by plants, animals and microbes.
Added 2/22/2016 5:44:26 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [2/22/2016 9:59:32 PM]