The correct answer is B. It becomes gradually weaker
Explanation:
A stimulus refers is an object, sound, situation, etc. that causes a reaction or response, in terms of behavior or reaction, for example, in the case presented the sound of the bell paired with the food causes the dog to salivate, which is reinforced if the stimulus is presented multiple times. However, if the stimulus that leads to the response disappears the response will also disappear over time; therefore, if the bell is presented without food (stimulus) the response will become gradually weaker and therefore the dog will stop salivating.
It is the family Spirillaceae, aquatic except for one species (S. minus) that causes a type of rat-bite fever in man.
Structure is meant to keep the government in line. Depending on the different types of government, the structure will be different as well.
Answer: A large amount of energy is lost at each level, so there has to be a limit on the number of trophic levels.
Explanation:
A groundskeeper who moves from a school to a church and remains a groundskeeper is experiencing horizontal mobility.
A sort of social mobility known as horizontal mobility describes a person's ability to shift from one similar group or status to another while maintaining their economic circumstances, reputation, and way of life.
Moving within the same status group is known as horizontal mobility. This can be seen, for instance, in the case of a nurse who transfers to another hospital from one. Moving up or down a social hierarchy is known as vertical mobility.
To learn more about horizontal mobility, visit here
brainly.com/question/359904
#SPJ4