input question: Process:  - A stream or river must occur - Through erosion, the stream cuts into the soil and bedrock - Through continuous erosion, a deep gash is cut through - After many years the river may dry up - A dry ravine is left -   Perturbation hypothesis: suppose more rockets will be launched into space happens, how will it affect more erosion occurs.  Does the supposed perturbation have an effect (direct or indirect) on the process????
output answer: no

input question: Process:  - Ocean waves hit land - Ocean water pulls sand off of beaches - Ocean water breaks rocks off of cliffs - Ocean water carries sand and rocks into the ocean - Sand and rocks go to other land or the bottom of the ocean.  Perturbation hypothesis: suppose there was no fertile soil for the trees happens, how will it affect LESS erosion by the ocean.  Does the supposed perturbation have an effect (direct or indirect) on the process????
output answer: no

input question: Process:  - Human industry produces chemical compounds - Chemical compounds rise into the air - Chemical compounds mix with elements in clouds - The affected rain falls to the earth - The affected rain can harm natural and man-made objects because of its acidic content.  Perturbation hypothesis: suppose more blood vessels will dilate happens, how will it affect LESS damage by acid rain.  Does the supposed perturbation have an effect (direct or indirect) on the process????
output answer: no

input question: Process:  - Acid rain is produced by chemicals that reach into the atmosphere - Falls onto the ground - The acid rain starts scouring rocks - Destroys vegetation - The lack of vegetation alters the surrounding environment.  Perturbation hypothesis: suppose the current is unusually strong because of rip tides happens, how will it affect MORE damage by acid rain.  Does the supposed perturbation have an effect (direct or indirect) on the process????
output answer:
no