Process: - Thunderstorms form over the ocean - An area of low pressure causes rotation - Several thunderstorms come together around this area - The storm is fed by rising air from warm ocean water evaporating - When the wind speeds reach 74 mph the storm is considered a hurricane. Question: suppose less iron is present happens, how will it affect MORE POWERFUL hurricanes. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: no effect

Process: - A bird picks a spot high spot, often in a tree - The bird collects bits of sticks and grass - The sticks and grasses are placed between support branches - Leaves, mud and spider webs are added to the sticks - The mud, leaves and webs glue the sticks together - The solid nest supports the eggs - Question: suppose the bird is ready to nest happens, how will it affect bird uses environment to put nest together. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more

Process: - Animals and plants die in soft soil or mud - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral - A fossil is formed - Question: suppose animals sinking to the bottom happens, how will it affect LESS fossils forming. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: less

Process: - Air goes into the lungs - The lungs remove oxygen from the air - Oxygen diffuses from alveoli in the lungs to the bloodstream - Hemoglobin in red blood cells attaches to the oxygen - Red blood cells carry oxygen all around the body - Oxygen diffuses into cells from capillaries. Question: suppose more oxygen in the environment happens, how will it affect less oxygen diffuses to the bloodstream. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: less