Process:  - Water seeps into rocks - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up - The rocks slowly break down.  Perturbation hypothesis: suppose air is more cold happens, how will it affect If more water freezes.  Does the supposed perturbation have an effect (direct or indirect) on the process?
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Answer: no


Process:  - Dirty dishes are placed in the dishwasher - The dishwasher is closed - The dishwasher heats water to a hotter temperature - The dishwasher directs water toward the dishes through jets - The dishwasher adds detergent - The dirty water drains out - The dishwasher sprays more water to rinse the dishes off - The water drains out again - The dishwasher directs warm air toward the dishes to dry them - The dishes can be removed.  Perturbation hypothesis: suppose more strong storms happens, how will it affect press button to turn on dishwasher.  Does the supposed perturbation have an effect (direct or indirect) on the process?
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Answer: no


Process:  - Light energy is absorbed by chlorophyll in a plant - The light energy is used to convert carbon dioxide - The plant uses nutrients in the soil - The plant uses carbon dioxide in the air to produce glucose - The plant uses the glucose to give itself energy - Oxygen is released as a by product.  Perturbation hypothesis: suppose more energy absorbed happens, how will it affect LESS sugar and oxygen being produced.  Does the supposed perturbation have an effect (direct or indirect) on the process?
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Answer: