[Q]: - The brain tells blood vessels to dilate - The sweat glands become active - Moisture is released from the pores - The moisture evaporates - The evaporation causes cooling. What might be the first step of the process?
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[A]: Body temperature rises

[Q]: - These substances rise into the high atmosphere - They react with water and oxygen - This creates a more acidic rain - The rain with the high acid content falls. What might be the first step of the process?
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[A]: Chemicals like sulfur dioxide and nitrogen are released into the air

[Q]: - The spore lands on a piece of bread - The spore grows hyphae into the bread - The mold forms a colony - Sporangiophores grow upward - The mold sends out spores. What might be the first step of the process?
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[A]: A mold spore floats through the air

[Q]: - The filter has small pores to catch pollutants - The filter will catch chlorine, heavy metals, and other chemicals - The filter allows water and mineral ions like fluoride to pass through - The water on the other side of the filter is much cleaner - What might be the first step of the process?
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[A]:
Water comes through a filter