Problem: Given the question: What is the missing first step of the following process: - The glucose and oxygen create carbon dioxide - The cells release energy - The cells don't have enough oxygen to repeat this - The cells obtain more oxygen from the air - The cells repeat this process.
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The answer is:
Cells obtain glucose and oxygen

input question: What is the missing first step of the following process: - Causes them to absorb aluminum from soil - The water runs off from the soil into lakes, streams, etc - Fish and their eggs die - Frogs and plants die - Insects and other wildlife die - The ecosystem is out of balance, causing further problems -???
output answer: Acid rain makes waters acidic

What is the missing first step of the following process: - Food is chewed and mixed with saliva (spit) - Food travels down the esophagus (throat) - Food travels into the stomach - Acid in the stomach breaks the food down further - Food travels into the small intestine - Nutrients from food are absorbed into the blood stream - Food travels into the large intestine - Most of the remaining material is now waste - The waste is eventually removed from the body.
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Answer: Food is put into mouth

Q: What is the missing first step of the following process: - Push off with your other foot on the ground - Keep pushing with your dominate leg - When comfortable put both feet on the skateboard - Balance your body as you roll on the skateboard.
A: Place your non dominate foot on the front of the skateboard

Question: What is the missing first step of the following process: - The fire surrounds the vicinity - The animals are trapped - Those that survive have their habitat destroyed - The survivors must find a new habitat - Conflict with other animals occur.
Answer: A forest fire starts

Please answer this: What is the missing first step of the following process: - The items are sorted - Trash is removed from everything else - Goes to a landfill - The items go into a baler machine for each kind of material - They come out as bales - The bales are shipped to manufacturers to use to make products.
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Answer:
Items are collected