input: Please answer the following: What is the missing first step of the following process: - These pores are called stomata - Water is absorbed by the roots - It passes through vessels in the stem on its way to the leaves - Sunlight is absorbed by a green chemical in the leaves.
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output: Carbon dioxide from the air passes through small pores (holes) in the leaves

Please answer this: What is the missing first step of the following process: - The water is poured into the machine at the back - Coffee beans are put into a grinder - The grinder is activated - A filter is put into the coffee maker - The ground coffee is put into the filter - Sometimes a bit of salt is added to the grounds to bring out flavor - The top of the machine is closed - The power is turned on - The water passes through the grounds and becomes coffee.
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Answer: The carafe is filled with water

Problem: What is the missing first step of the following process: - Eventually it burns all its hydrogen - Becomes a red giant - Once the red giant burns itself out - The core of the star collapses - The gasses will start to disperse - Only the core is left - A white dwarf has been formed.

A: A star burns in space

Problem: Given the question: What is the missing first step of the following process: - You water the seeds - You wait for the seeds to sprout - You keep the area free of pests and weeds while the plants grow - You thin out the plants as they get bigger to give them space to grow - You remove the vegetables from the plants when they are ripe.
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The answer is:
You plant vegetable seeds in the ground

input question: What is the missing first step of the following process: - Waves have energy that pushes the water and sediment - The sediment can help erode land like sandpaper - Water washes the sediment back - Some sediment is left as sand.???
output answer: Waves hit the coast

input question: What is the missing first step of the following process: - Bread absorbs water from the air - Bread absorbs warmth from the air - Dust particles with mold spores fall on bread - Mold spores start to consume the bread for energy - Mold colonies grow until they are visible.???
output answer:
Bread is exposed to the elements