Question: - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up - The rocks slowly break down. What might be the first step of the process?
Answer: Water seeps into rocks

[Q]: - Is exposed to air - A chemical reaction occurs - The iron starts to oxidize - The iron starts to rust. What might be the first step of the process?
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[A]: Iron is exposed to oxygen

input: Please answer the following: - The pollution negatively affects the water quality - The pollution negatively affects the health of plants and animals - The plants and animals have shorter, less healthy lives - The plants and animals do not reproduce very well - The number of plants and animals decreases over time - The quality of water gets worse and worse as there are no plants or animals to clean it - Eventually there is nothing living in the water and it is unusable - What might be the first step of the process?
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output: Pollution enters natural water sources such as rivers and lakes

Please answer this: - The trees and plants burn - The animals lose their homes - If the animals can not escape, they may die from smoke inhalation - The plants that provide food are gone - The animals have little to eat - What might be the first step of the process?
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Answer: A forest fire starts

Problem: - Water is poured into the well of the machine - A filter is placed in the basket - Ground coffee is measured into the filter - Turning on the machine starts the water heating - The hot water rises up - The water drops into the ground coffee - The hot water passes through the grounds - The coffee drips into the pot from the basket. What might be the first step of the process?

A: The coffee pot is filled with water

input: Please answer the following: - Rain falls - Water is in the area of high elevation - The water creates a stream - The stream moves towards lower elevation - The stream continues along the same path for a long time - The soil and rocks erode where the stream touches them - The stream moves deeper into the soil - The stream is smaller than the eroded area. What might be the first step of the process?
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output:
An area is at a higher elevation than the surrounding area