Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
Answer:
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period when developments in mathematics, physics, astronomy, biology, and chemistry transformed the views of society about nature. The Scientific Revolution took place in Europe towards the end of the Renaissance period and continued through the late 18th century, influencing the intellectual social movement known as the Enlightenment. While its dates are debated, the publication in 1543 of Nicolaus Copernicus' De revolutionists erbium celestial is often cited as marking the beginning of the Scientific Revolution.
Explanation:
The one that is a popular music is : c. Secular music
Secular music is all the things that are not associated with religious music. Religious music seems to be not very popular in the world
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