Q: What is the missing first step of the following process: - Water levels of a river or lake get higher - Water builds up on the ground - Water covers streets - Water gets deep in some places - Water goes into houses and other buildings - The rain stops or the dam is repaired - Water flows into streams - The rest of the floodwater evaporates.
A: There is a lot of rain or a dam breaks

Question: What is the missing first step of the following process: - Through warming or other methods a chunk is taken off the glacier - The chunk drifts into the sea - And it settles where it can remain in its state - It is considered an iceberg.
Answer: You start with a glacier

[Q]: 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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[A]: Items are collected

input: Please answer the following: What is the missing first step of the following process: - 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.
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output: The bat sends out sound waves from their mouth or nose

Please answer this: What is the missing first step of the following process: - 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 - Carbon dioxide released when you exhale.
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Answer: You breathe air in

Question: What is the missing first step of the following process: - Through erosion, the stream cuts into the soil and bedrock - Through continuous erosion, a deep gash is cut through - After many years the river may dry up - A dry ravine is left -
Answer:
A stream or river must occur