Process: - A forest fire starts - The trees and plants burn - The animals lose their homes - If the animals can not escape, they may die from smoke inhalation - The plants that provide food are gone - The animals have little to eat - Question: suppose there is less rain in forest happens, how will it affect animals will have less to eat. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more

Process: - Chemicals like sulfur dioxide and nitrogen are released into the air - 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. Question: suppose less oxygen travels in the body happens, how will it affect more chemicals released. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: no effect

Process: - Acid rain enters the atmosphere and lands - Makes water acidic - Kills fish - Kills the soils in trees - Leaves are also harmed. Question: suppose more fish are killed happens, how will it affect MORE damage by acid rain. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more

Process: - Get some seeds - Pick a spot to plant them - Dig a hole in the dirt - Put the seed in the hole - Pour some water on the seed and hole - Cover up the hole - Press down on it - Spray some plant food on it. Question: suppose Adding more rich compost to planting area happens, how will it affect Plants will grow slowly. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: less