Problem: What is the missing first step of the following process:  -  Water seeps into the remains - Minerals dissolved in the water form crystals - Crystalized minerals cause the remains to harden - The minerals form a fossil.

A: An organism dies

Problem: Given the question: What is the missing first step of the following process:  -  Put the ice cube tray in the freezer - Wait 5 to 6 hours - Take the ice cube tray out of the freezer - Bend the tray slightly to get the ice cubes out and into a drink.
++++++++++++++++++++++++++++++++
The answer is:
Put water in an ice cube tray

input question: What is the missing first step of the following process:  -  The brain tells blood vessels to dilate - The sweat glands become active - Moisture is released from the pores - The moisture evaporates - The evaporation causes cooling.???
output answer: Body temperature rises

What is the missing first step of the following process:  -  The trees die off - The dead material provides nutrients for more trees - The rising trees provide shelter - And more organisms begin to thrive - The ecosystem known as a forest is made.
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Answer: Networks of trees start forming

Q: What is the missing first step of the following process:  -  Passes through the lungs - And into the bronchial tissue - The carbon dioxide is removed - The lungs bring the oxygen to the rest of the body.
A: Air is brought in through the mouth

[Q]: What is the missing first step of the following process:  -  Passes through the lungs - And into the bronchial tissue - The carbon dioxide is removed - The lungs bring the oxygen to the rest of the body.
****
[A]:
Air is brought in through the mouth