Answer:
To explain the printing press Gutenberg invented and why he invented it.
Explanation:
The passage begins with describing the situation which led to Gutenberg inventing the printing press. With the growth of literacy game the need for a faster and inexpensive way to produce written documents. The passage then goes on to explain the printing press Gutenberg invented and how it functions.
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Answer:
By the way she talks to people and does things
Explanation:
She is not afraid to be blunt with people and she will speak her mind
He had a dream that white people and black people should be equal
Answer:
Experimental or treatment group
Explanation:
In science, researchers use different variables to test the cause or effect of a specific treatment or phenomena. These variables could be dependent or independent.
In these experiments, the control group refers to a group that does not receive any type of treatment or, in other words, does not receive any variable. On the other hand, the experimental group receives the treatment or variables and is the one that would show the results.
These two groups - control and experimental - are subsequently compared.
