Sodium is an element. What is the question?
Answer:
Is the correlation among stimulus (one natural and another from the environment).
Explanation:
Ivan Pavlov, worked with dogs. He was testing a learning path in the area of conduct ism.
1.- First he tried a bell (this is the environment stimulus) to feed dogs (salivation is the natural stimulus).
2.- By passing the time, the reinforcement of the environmental stimulus make that the dogs start salivation just by the sound of the bell, does not matter if they have food or not.
3.- In this way he probed that learning is based in following and repeating some conducts.
The thin tubes that form between the centrioles during mitosis are the spindle fibres. Spindle fibers originates from a protein structure that divides the genetic material in a cell. They are necessary for the equal division of the chromosomes in a parental cell into two daughter cells during bth types of nuclear division (mitosis and meiosis). During the process of mitosis they are called mitotic spindles.
Brainly sucks, but I need good grades so...
also, what to join, there is no link
