input: Please answer the following: -  The earth changes energy from the sun into heat - Heat rises from the ground - Greenhouse gas molecules in the atmosphere prevent the heat from going into space - The temperature of the earth increases - The temperature continues to rise and melts the polar ice caps - The temperature rises even faster.  What might be the first step of the process?
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output: Greenhouse gases are released into the air by human activities


input: Please answer the following: -  Diaphragm and other muscles expand to allow room for your lungs to fill - The air flows into the narrow bronchioles in the lungs - From the bronchioles to the alveoli - The oxygen enters into the bloodstream - Is switched with the carbon dioxide in the bloodstream - The carbon dioxide enters through the alveoli - Through the narrow bronchioles - Into the lungs - The carbon dioxide is exhaled out of the body.  What might be the first step of the process?
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output: You breathe in


input: Please answer the following: -  Pick a spot to plant them - Dig a hole in the dirt - Put the seed in the hole - Pour some water on the seed and hole - Cover up the hole - Press down on it - Spray some plant food on it.  What might be the first step of the process?
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output: Get some seeds


input: Please answer the following: -  The water will turn into water vapor - Collect the water vapor - Allow the water vapor to cool - The water vapor will turn into liquid water - The salt will be separated from the water.  What might be the first step of the process?
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output: