Estudio (2) Labor (1) Social sciences (1) Sedimentation and deposition (1) Production (Economic theory) (1) Press (1) Predatory animals (1) Perception (1) Peatlands (1) Peat (1) Newspapers (1) Mechanical movements (1) Matter (1) Human beings (1) Livestock breeders (1) Livestock (1) Ice (1) History (1) Glaciers (1) Generals (1) Fees, Administrative (1) Diffusion (1) Diaries (1) Communication (1) Climatology (1) Climatic changes (1) Carbon (1) Biotic communities (1) Attention (1) Tasas (1)