<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the process of weathering and erosion? Context: Weathering breaks down rocks into smaller pieces, while erosion moves those pieces by water, wind, or ice. Answer: [/INST]Weathering is the process of breaking down rocks into smaller pieces, while erosion is the movement of those pieces by water, wind, or ice.</s>