Thank you for answering your own question.
An allegory is usually a long metaphor with a moral content but can be also a political one that take place on literary pieces such poems or stories. It is intended to have a hidden meaning which should be discovered and interpreted by the reader.
Answer:
to decrease bias
Explanation:
The experimental procedure stated in the question is a blinded placebo test. This procedure seeks to reduce the bias in the experiment due to the "placebo effect."
The placebo effect is the effect whereby patients treated with a placebo (a dummy treatment) claim to be responding better to treatment methods.
The correct answer is B. Because
Explanation:
A problem and solution essay is one type of academical paper in which the author aims at presenting one specific problem and provide an appropriate solution to it, this writing process implies presenting the situations and factors that lead to the problem, the elements that compose the problem, the possible solutions, and evaluation of these solutions. Additionally, this type of essay is similar to cause and effect essays as the causes of the problem need to be considered to determine a solution. Due to this, the conjunction "because", that is used to explain causes and how these causes are connected to other elements, helps the reader to identify a problem and solution essay as this word can is usually used to explain the problem and its causes and to introduce solutions considering the elements that compose the problem in this type of essay.