[Q]: What is the missing first step of the following process: - Pack essential items in your suitcase such as underwear/socks - Pack weather appropriate clothing in the suitcase - Always bring a jacket or two - Always bring one semi-formal outfit for a nice dinner - Zip up the bag and be ready to go.
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[A]: Determine the weather where you are going

input: Please answer the following: What is the missing first step of the following process: - As water expands it puts great pressure on the walls of anything containing it, including any rocks which happen to be surrounding it - The force of the pressure exerted on the rock surrounding it is enough to wedge the walls of the crack farther apart, thus expanding and deepening the crack - Clay expends when wet like ice does - This causes rock to break apart - Some plants like mosses and lichens are capable of growing without soil on bare rock - When they do this their roots penetrate pores and crevices and cause rocks to split apart as the roots force their way down through the rocks -
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output: When water freezes it becomes 10% bigger, or takes up 10% more space

Please answer this: What is the missing first step of the following process: - Nephrons in the kidney filter the blood - The waste that is filtered out mixes with water - Become urine - Ureters carry urine out of the kidneys.
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Answer: Blood carried into kidney by the renal artery

Problem: What is the missing first step of the following process: - Cells with chlorophyll in them capture the light energy - Plants absorb carbon dioxide through their stoma - Plants absorb water through their roots and other parts of themselves - Plants absorb minerals through their roots - Plants convert these inputs into sugars - Sugars can be used as energy sources - Oxygen and water are also produced - Excess water and oxygen are released through stoma and other parts of the plant.

A: Sunlight shines on plants

Problem: Given the question: What is the missing first step of the following process: - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up - The rocks slowly break down.
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The answer is:
Water seeps into rocks

Problem: What is the missing first step of the following process: - Waste enters the kidneys - A processing moment in the kidneys let waste and fluid pass - Prevents larger molecules to pass - Fluid goes back to the bloodstream - Bad waste is removed - The final product is turned into urine.

A:
Fluid