Problem: Given the question: - The virus enters the human or animal body - The virus goes to the part of the body that contains its food - The virus consumes part of the body or materials that the body uses - The virus replicates and spreads - The virus causes symptoms in the body as the immune system tries to expel the virus. What might be the first step of the process?
++++++++++++++++++++++++++++++++
The answer is:
Contact is made with a virus

Problem: Given the question: - The sound waves hit an object - Echoes are produced - The echo returns to the bat's ears - The bat hears the echo - The bat can figure out where the object is located. What might be the first step of the process?
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The answer is:
The bat sends out sound waves from their mouth or nose

Problem: Given the question: - Water seeps into the remains - Minerals dissolved in the water form crystals - Crystalized minerals cause the remains to harden - The minerals form a fossil. What might be the first step of the process?
++++++++++++++++++++++++++++++++
The answer is:
An organism dies