Shannon hears a strange rustling noise on her nature walk and then sees a black bear in the clearing. She feels terror but escapes without injury. Now when she walks in the woods, when she hears a rustling noise she instantly feels fear. This BEST illustrates:

Classical conditioning.

Explanation:

Classical conditioning is defined as process in which association or link between potent stimulus and earlier unbiased stimulus is established for generation of learned response. This mechanism induces involuntary responses in humans or animals.

According to the question, Shannon's behavior of getting scared if she hears rustling sound from woods while walking because of her past interaction with bear while nature walk.This induces a learned response through link of rustling sound with fear through classical conditioning.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.