Problem: What is the missing first step of the following process: - These plants die - The soil gains organic material - The soil becomes more fertile - Larger plants are able to be supported - Trees eventually grow.

A: Grass and small plants grow in an area

Problem: Given the question: What is the missing first step of the following process: - The air travels into the windpipe - The windpipe divides the air to the two lungs via the bronchial tubes - The lungs oxygenate the blood in the body - Carbon dioxide is filtered out by every cell in the body - The carbon dioxide is carried back to the lungs via the bloodstream - The carbon dioxide is exhaled.
++++++++++++++++++++++++++++++++
The answer is:
Air is taken into the body via the nose or mouth

input question: 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.???
output answer: Blood carried into kidney by the renal artery

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: - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral - A fossil is formed -
A: Animals and plants die in soft soil or mud

[Q]: What is the missing first step of the following process: - A signal is sent to the heating system - Heating oil travels from the tank to the burner - The oil becomes a fine mist mixed with air - The oil/air combination is injected into the burner - The burner is ignited in the combustion chamber - The furnace heats the air - The blower sends the heated air through the ducts - The heated air comes out the vents and into the room.
****
[A]:
The thermostat senses that the temperature has dropped