D because it shows the more ad because it shows that the highlighter the demand the more rapidly the price will go up
Answer: this is an example of <u>operant variability.</u>
Explanation:
Operant variability means that results of an operation may vary so responses are sometimes easy to predict, at other times responding seems highly variable, unpredictable, or even random. The inability to predict is generally attributed to ignorance of controlling variables.
Answer: Purposive
Explanation:
Purposive incentive is the advantage and benefits that a person gains where he/she is indulged in any act ,task or cause with dedication and passion. This additional well-being is provides satisfaction along with the performed work.
It increases the participation of people in any act or task because of the enthusiasm which indicates the effort of people through the benefit.
There are 180 days in a semester in caliphornia.
Thats cool me too i neeeed more characters
