It is the country's principal waterway, and its basin is China's great granary and contains nearly one-third of the national population.Please give Brainly if I’m right
Answer:
c) identifying the bell as a neutral stimulus; identifying food as the unconditioned stimulus; repeatedly presenting the sound of the bell followed by food; presenting the sound of the bell to produce saliva.
Explanation:
Russian physiologist Ivan Pavlov was studying salivation in dogs during the 1890s and comes up with the theory of classical conditioning in which a neutral stimulus was closely associated with the unconditioned stimulus to obtain a particular conditioned response. the theory involves learning to combine an unconditional stimulus that has already given rise to a specific response with a new stimulus so that the new stimulus results in the same response.
She has experienced horizontal social mobility.
It means that she has only moved horizontally - her paycheck has stayed the same, she didn't get any special promotions or anything. The only thing that changed is the place where she works - if she were given more salary, it would be a vertical social mobility.
Answer:
In the history of Europe, the Middle Ages or Medieval Period lasted from the 5th to the late 15th century. ... Population decline, counterurbanisation, the collapse of centralized authority, invasions, and mass migrations of tribes, which had begun in Late Antiquity, continued in the Early Middle Ages.
Explanation:
I think it is false might not be correct though
