[Q]: -  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.  What might be the first step of the process?
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[A]: Items are collected


[Q]: -  Bread absorbs water from the air - Bread absorbs warmth from the air - Dust particles with mold spores fall on bread - Mold spores start to consume the bread for energy - Mold colonies grow until they are visible.  What might be the first step of the process?
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[A]: Bread is exposed to the elements


[Q]: -  The rocky area has a higher elevation than the surrounding areas - Water from precipitation falls in the area - The water forms a stream - The stream flows towards lower elevation - The stream becomes a river - The river continues to flow along the same path for a long time - The river erodes the rocky area that it touches - The eroded area cuts deeply into the rock.  What might be the first step of the process?
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[A]: A large rocky area is formed


[Q]: -  Your diaphragm moves down - Your lungs have more room - Your lungs fill with air - You exhale - Your diaphragm moves back up - Carbon dioxide is exhaled - You start the process over again.  What might be the first step of the process?
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[A]: