Answer:
Dopamine
Explanation:
Dopamine is a type of neurotransmitter. Our body makes it, and our nervous system uses it to send messages between nerve cells. That's why it's sometimes called a chemical messenger. Dopamine plays a role in how we feel pleasure. It's a big part of our unique human ability to think and plan.
Sydney is in Piaget's<u> "concrete operational" </u>stage of development.
As the name suggests, the concrete operational stage of development can be characterized as the phase of cognitive development in which a child is equipped for playing out an assortment of mental activities and considerations utilizing solid ideas. All the more particularly, kids can comprehend that in light of the fact that a question changes shape or is isolated into pieces, the protest still holds certain critical attributes, for example, mass or volume.
<span>The Toulmin argument attempts to persuade while stressing understanding and common ground. The Toulmin argument is an informal method or reasoning. There are steps, three parts to the process, that if you follow should bring great support to your argument. </span>
The missing word in the statement above is: life satisfaction. Most middle-aged adults list life satisfaction as the most important factor in happiness. According to the experiments related to life satisfaction, people become older because they become wiser and more knowledgeable and they begin to see that life would be better. This is based from the psychologists, Yuval Palgi and Doc Shmotkin.