U have to put the question
Answer:
The telephone
Explanation:
Alexander Graham Bell patened the telephone on February 14, 1876
If Ken does not account for variables such as age that could also influence one's ability to recall these events, age could be considered a "confounding variable".
A confounding variable is an outside impact that progressions the impact of a dependent and independent variable. This incidental impact is utilized to impact the result of a experimental plan. Basically, a confounding variable is an additional variable went into the condition that was not represented. confounding variables can demolish an examination and deliver futile outcomes. They propose that there are connections when there truly are definitely not.
This is true because males are more likely to be aggressive in situations and don't think clearly when put into a situation compared to females.
The Leadership Grid profiles leader behavior on two dimensions, which are concern for people and concern for production.
Answer: Option B
<u>Explanation:</u>
Under the leader ship grid profiles, there are two main things on which the behavior of the leaders are judged. Those are that how much are the leaders concerned about the welfare and the betterment of the people who are under his leader ship.
Along with that, what policies are used by the leaders and how concerned are they to increase the production of the goods in his area is also very important.