Answer:
(3) control group
Explanation:
Control group refers to the group of standar individuals who do not receive treatment by researchers, so that their results are compared with the experiential group which did receive treatment.
In the experiment about pulse rate according to music, the student does not include the average pulse rate of the control group that was not exposed to different types of music.
According to the Scientific Method, in order to make a controlled experiment you NEED to have an hypothesis.
A controlled experiment consists of a test done by a scientist in which only one or a few variables are changed while the others remain constant in order to prove or disprove a hypothesis. This hypothesis is key to said experiment because it provides the starting point from which the professional can begin the procedure, as it helps focus on the subject that one is trying to get results from. Without a clear hypothesis, the outcome of the experimentation will not be valid nor specific.
Answer:
It shows the poet's perspective of Rosa Parks.
Explanation:
In this text, we are able to learn about the way in which the poet saw Rosa Parks. The author links the admirable actions of Rosa Parks with the image that he has of her. This description makes the poem more vivid and realistic for the reader. Moreover, it allows the reader to imagine what Rosa Parks looked like, and how her actions were perceived by others.
Answer:
a) He wrote about the garden
