What statement are you speaking of. He kind of talked a lot
Answer:
The dependent variable is their degree of sleepiness.
Explanation:
In a correlational study, an independent variable is expected to affect a dependent variable. In the example, the level of caffeine intake is predicted to change the participants' sleep patterns. In other words, the degree of sleepiness <u>depends</u> on the caffeine levels.
An easy way to remember the difference is to say: Independent causes change in dependent.
C- civilizations
as people began to realize they could grow their own food instead of hunting or looking for food
<h2>
The money a student spends on rent for his apartment while attending school is not an example of the opportunity cost of going to school.</h2>
Explanation: Opportunity cost is defined as the loss of potential profit from other option when one option is chosen. For each choice we make, potential gain is lost by choosing that alternative.
We invest in university expenses as we believe, it will pay off someday in the future. The people who graduate with a degree gets higher salary and get long term career than a student without a degree.
The nap a student could have enjoyed without attending class is not an example of the opportunity cost as investment in colleges offer much more return.
