Please answer this: 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.
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Answer: Sunlight passes through the glass into the greenhouse

Problem: What is the missing first step of the following process: - The stomach churns the food - With the aid of stomach acids - The food becomes a thick liquid - Is then passed to the small intestine.

A: Food leaves the esophagus and enters the stomach

Problem: Given the question: What is the missing first step of the following process: - The energy causes the fault lines give way - The earth's plates move - The energy radiates outward from the fault in all directions - The seismic waves shake the earth as they move through it.
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The answer is:
Energy builds up in the crust of the earth

input question: What is the missing first step of the following process: - Recycling trucks pick up the items that are able to be reused - The recyclable items travel to a recycling plant - The items are sorted by what they are made of - The items are broken down into small parts - The small parts are melted to make new raw parts - The raw parts are sold to manufactures to make new items.???
output answer: Items that can be reused are placed into recycling containers

What is the missing first step of the following process: - The water rises up in the air - It starts to cools down - The water starts to condense - It forms into clouds - When there is enough moisture in the clouds it starts to rain.
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Answer: Warm weather causes water to evaporate

Q: What is the missing first step of the following process: - The star burns until it runs out of fuel - The star can no longer support its weight - The layers of hydrogen press down on the core - The core gets smaller and smaller under the pressure - The pressure causes gravity to get stronger - The gravity becomes so powerful that nothing can escape it - Anything that gets close to it, is drawn into it by its gravity - Light is drawn into it - Light can not escape -
A:
Stars burn mass