Read the paragraph. in addition to housing hundreds of rare books, maps, and prints, the huntington library also maintains an extensive and critically acclaimed art collection. its most famous work may be the blue boy by the eighteenth-century painter, thomas gainsborough. additionally, the library contains works by twentieth-century painters including andy warhol and edward hopper. , the library attracts a wide range of art lovers. which transition best completes this paragraph?

The transitions in a phrase is used to connect the ideas with the another without any barupt changes. Transitions help author in letting the reader move from one idea to another efficeiently. Also, it helps in creating realtionship between the main idea and the support for that idea given by the author. For example, therefore, hence, additionaly and so on,

In reference from the above excerpt, transition which best completes this paragraph is: "as a result, the library attracts a wide range of art lovers."

Here, As a result as a transitional word, acts as an final conclusion to the statements.

the 2nd and 4th are correct

a constant variable, normally called a controlled variable, is the term for a variable that remains constant throughout an experiment, though other variables may change. an example is the water pressure for a faucet when measuring the amount of water released when the faucet is opened to various increments.