Which type of bacteria is shown in the image?
a. bacillus
b. coccus
c. spirillum
d. cholera

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Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Construct at least two possible hypotheses for the student’s experiment.

Which label correctly identifies what x represents in the concept map?