Process: - People dig up coal from the ground - People burn coal for heat or electricity - Pollution from the coal goes into the sky - Coal pollution enters clouds - Clouds rain over an area - The polluted rain becomes acid rain. Perturbation hypothesis: suppose there is no clean oxygen happens, how will it affect less coal pollution goes into the sky. Does the supposed perturbation have an effect (direct or indirect) on the process?
Ans: no

Process: - You eat food - Your stomach digests the food - Sugars from food enter your bloodstream - Insulin helps turn sugars into energy - Insulin helps your body store the energy in fat, muscle and liver cells - Perturbation hypothesis: suppose lungs are in optimal condition happens, how will it affect more insulin. Does the supposed perturbation have an effect (direct or indirect) on the process?
Ans: no

Process: - The consumer throws aluminum cans and foil into a recycle bin - The aluminum is collected - Taken to a treatment plant - The aluminum is sorted and cleaned ready for reprocessing - The aluminum is re-melted - Turned into molten aluminum - The aluminum is made into large blocks called ingots - The ingots are sent to mills to be rolled out - The rolled out product is made into new aluminum products. Perturbation hypothesis: suppose the economy is strong happens, how will it affect LESS aluminum cans being recycled. Does the supposed perturbation have an effect (direct or indirect) on the process?
Ans: yes

Process: - An animal eats a lot of food to fatten up - The animal finds or builds a suitable place to hibernate where they can stay warm and protected - The animal moves into their den - Their heart rate and breathing slow down to conserve energy - They emerge from the den when the weather is warming up again. Perturbation hypothesis: suppose An animal does not eat a lot of food happens, how will it affect they animal will hibernate properly. Does the supposed perturbation have an effect (direct or indirect) on the process?
Ans: yes