Using examples of unconditioned, conditioned stimulus and conditioned responses describe the concept of extinction.

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

it would lead to upper respiratory infections and pneumonia.

b. to discover aspects of the natural world.

hopefully i .