Rachel has found that when she opens the cupboard door to get the cat food, the cats come running to the kitchen. Rachel knows that this is classical conditioning and that the unconditioned stimulus is the .

Cat food

Explanation: In classical conditioning, whereby a conditioned stimulus becomes associated with an unrelated unconditioned stimulus in other to trigger a conditioned response, The conditioned stimulus could be thought of as stimulus which is initially neutral before being connected or associated with an unconditioned stimulus (stimulus which occurs naturally) to generate a conditioned response. The unconditioned stimulus occurs naturally, the usual example is usually the feeling of hunger felt when the smell of food is perceived, here there is no initial or man-made connection or association between the stimulus and the response. Here the unconditioned stimulus is the cat food and the conditioned stimulus is the opening of Cupboard.

yes i would go with c

hope i

-lavira: )

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.