<span>Primary reinforcer are naturally and occurring and do not require an individual to learn any significant method or process in order to work.They are backed by an evolutionary basis.They occur since beginning of time and aid survival species.</span>
Answer:
also im probably an idiot cause i dont know any of this stuff
Explanation:
The kind of memory that's illustrated by Rachel is known as mood-congruent memory.
<h3>What is mood congruent memory?</h3>
Mood congruent memory simply states that happy people will always remember happy moments and likewise sad people.
In this case, since Rachel gets blue, she immediately is flooded with thoughts of failed relationships and missed chances, this memory is illustrated.
Learn more about memory on:
brainly.com/question/25040884
There was no unified state that could grow all parts of life equally so they had to depend on trade in order to get goods that they needed from each other since they couldn't develop all parts of production or manufacture. Ones would for example have a developed pottery industry while the others would have mastered making Olive oil so they would trade in order to get what they needed because they couldn't make it on their own.
