Answer:
The Consumer Price Index/CPI
the answer is: <span>the third variable problem
</span><span>the third variable problem refers to the additional factor that could mistakenly lead to the false conclusion in determining the causal relationship between two other factors.
Other example:
There was a study that shown that eating soy bean leads to the development of breast cancer. But if we take a look at East Asian population who consume more soy beans compared to western people, East Asian population have far less cancer cases.
In this case, we can say that Genetic is a t</span>hird variable problem
I think B, I am not sure.
The type of reinforcer assessment which involves allowing the learner access to <em>many items at one time</em> and observe what they interact with the most is known as:
Based on the free operant reinforcer assessment, there is the careful observation of the items which <em>a person interacts with the most</em> without any external interference.
In this type of reinforcer assessment, the aim is to find out the thing which is most favored by a user when he is given the option to make his choice from a wide range of options.
Read more about free operant here:
brainly.com/question/25492313
Answer:
Rainwater harvesting is an important method of conserving water. Rain water can be collected in storage tanks and later be used to fill up wells an tube wells