The answer is <u>"c. a confounding variable is an explanatory variable that was considered in a study whose effect cannot be distinguished from a second explanatory variable in the study."</u>
A confounding variable is an outside impact that progressions the impact of a dependent and independent variable. This superfluous impact is utilized to impact the result of an exploratory plan. Just, a confounding variable is an additional variable went into the condition that was not represented. Confounding variables can destroy an analysis and deliver pointless outcomes. They propose that there are connections when there truly are most certainly not. In an examination, the independent variable by and large affects the dependent variable.
Answer: c. internal summary.
Explanation: Internal summaries are best used when the information within a specific main point of a speech was complicated.
It is a quick review of what a speaker has just said in a main point or sub point; used to help an audience remember a particularly detailed point.
Answer:
was an inclusive organization that advocated for a vast array of reforms
Explanation:
The Knights of Labor was an inclusive organization that advocated for a vast array of reforms. The Knight of Labour was a labour organization in the United States, it was founded in 1869 and grew to a membership of 700,000 in 1886. The aim of the union is to represent the interest of both craft and skilled labourers and protect them from exploitation, they did this by campaigning for an eight hour workday, tried to form a cooperative society in which the workers will be in control of the sector they work in. It was an inclusive organization that advocated for a vast array of labour reforms.
The National Reclamation Act was an act to reclaim arid soil for farming. This was done by irrigation, which uses water, so the correct answer is C. water.
