Problem: What is the final step of the following process: - Animals and plants die in soft soil or mud - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral

A: A fossil is formed

Problem: Given the question: What is the final step of the following process: - Air goes into the lungs - The lungs remove oxygen from the air - Oxygen diffuses from alveoli in the lungs to the bloodstream - Hemoglobin in red blood cells attaches to the oxygen - Red blood cells carry oxygen all around the body
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The answer is:
Oxygen diffuses into cells from capillaries.

input question: What is the final step of the following process: - Place the water in a pot - Cover the pot with a slightly too large cover - Place a larger pot under the first - Heat water to evaporation - Water vapor will collect on the lid - Drip into the second pot as fresh water???
output answer: Salt is left behind in the original pot.

What is the final step of the following process: - Magma rises through cracks in the Earth's crust - The pressure causes plates to move - Magma explodes to the surface - The lava from the eruption cools to form new crust
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Answer: After several eruptions, the rock builds up and a volcano forms

Q: What is the final step of the following process: - Food is put into mouth - 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
A: The waste is eventually removed from the body.

[Q]: What is the final step of the following process: - You breathe air in - Air enters bronchial tubes - Air is then split into the bronchioles of each lung - Bronchioles have alveoli which are tiny air sacs - Alveoli is surrounded by many small blood vessels - Oxygen passes through alveoli into blood vessels - Blood leaves the lungs as it travels through the body - Blood carries carbon dioxide back to the lungs
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[A]:
Carbon dioxide released when you exhale.