Which of the following describes how once you begin to yawn, it is difficult to stop, and it must run its course? Multiple choice question.

A)
fixed action pattern

B)
imprinting

C)
classical conditioning

D)
operant conditioning

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Donde se encuentra el adn nuclear en un organismo eucariota?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.