Process: - Get the ice tray - Remove any ice cubes currently in the tray - Fill the tray with cold water - Ensure the tray is evenly filled to an appropriate level - Open the freezer - Place the tray in the freezer - Close the freezer door - Wait. Question: suppose it has been raining heavily happens, how will it affect the freezer will have to be more efficient. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more

Process: - Magma comes up to the surface of the earth - The magma cools - Particles inside the magma move closer together - Crystals are formed - The crystals contain minerals. Question: suppose A volcano is inactive happens, how will it affect Minerals will increase. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: less

Process: - The liver takes in blood from the rest of the body - The liver uses enzymes to clean the blood - The cleaned blood is expelled - The liver creates bile from the items filtered - The liver takes energy and stores it as glycogen - The bile is sent to the intestines. Question: suppose lungs are damaged happens, how will it affect the liver having to work HARDER. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: no effect

Process: - A mine is excavated in the side of a mountain - Miners enter the mine - Miners remove the coal from the mine - The coal is placed into carts or on a conveyor belt - The coal is moved up to the surface - The coal is loaded onto a truck - The truck takes the coal to a power station. Question: suppose miners work less happens, how will it affect LESS coal arriving at the power station. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more