[Q]: What is the missing first step of the following process: - The water freezes into ice - The cracks expand - Over time the rocks split - The rocks are now in smaller pieces.
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[A]: Water gets into cracks in rocks

input: Please answer the following: What is the missing first step of the following process: - Bacteria start to divide and grow - The uncontrolled growth takes away resources from other cells - Other cells cannot function properly - We feel unwell - The growth and division of bacteria produce toxins - Toxins harm the body - The body tries to react to the toxins - The body's natural defenses can sometimes cause us to feel unwell.
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output: Bacteria enter the body

Please answer this: What is the missing first step of the following process: - The plant roots begin to grow - Break apart the rock - The plant acids dissolve parts of the rock - The rocks are broken into more and more pieces - Erosion starts to occur.
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Answer: A plant grows near or on a rock

Problem: What is the missing first step of the following process: - Green house gases enter from the earth - Heat is trapped in atmosphere - Different things on earth are hotter - The overall planet is hotter.

A: Suns heat enters atmosphere

Problem: Given the question: What is the missing first step of the following process: - The hypothalamus in the brain sends a message to the body - Sweat glands in the skin receive the message - The sweat glands start combining water and chemicals to make sweat - The sweat leaves the skin through pores.
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The answer is:
The body's temperature increases over 98.6 degrees F

Problem: What is the missing first step of the following process: - The plants and floor absorb the the sunlight - The absorbed sunlight is converted to heat - The heat cannot escape the glass - The heat is trapped in the greenhouse - The hot air rises - The colder air at the top is pushed to the bottom - The colder air is then warmed by the floor and the plants.

A:
Sunlight passes through the glass into the greenhouse