The new idea can Kevin form after reading the text and looking at the photograph is the seeds of this hibiscus have not been released yet. Thus, the correct answer is B.
<h3>What is hibiscus flower?</h3>
Hibiscus flower is yellow colour flower which have medicinal properties to treat different diseases. This is used to prepare tea, which is useful for the patients of blood pressure and liver problems.
In the given option, the statement which gives new idea about the seeds of hibiscus have not been released yet. These seeds are found in dry capsules in the centre of the flower and released only when the flower is completely grown up.
Therefore, option B the seeds of hibiscus flower have not been released yet is the appropriate answer.
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Several factors have contributed to the shrinking size of the American middle class after the early 1970s. One of them includes "the emergence of the low-wage service sector."
Other factors that contributed to the shrinking size of the American middle class during this period include:
Greater demand for higher-skill jobs;
The huge income gap between the high paid executives and employees in the middle ranks;
Fewer opportunities for those with little education.
Global competition and advancement in technology;
Surging education fees, health care, and housing cost;
Hence, in this case, it is concluded that the middle class in the United States is smaller today compared to the time before 1970.
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According to some academics, the Bubonic Plague improved considerably many aspects in Europe. European cities began to improve the health conditions in both the streets and homes. Drainage and sewerage services began to be used in order to prevent future plagues.
The reduction in the population also affected the economy of some European countries in a positive way. The working force was considerably reduced, causing a greater demand for workers and increases in wages. Therefore, the purchasing power of the people increased as well as the standards of living.
The quality of the fields also improved considerably. The decrease in the population reduced the need to cultivate quickly, so the crops had more time to be harvested. Also, with a reduction in the number of people who inhabited the land, there was more space in lands to be cultivated. As a result, the population was able to acquire better-quality products.
The other participants apart from Samuel were part of the control group since they received a placebo.
<h3>What is a
control group?</h3>
In a experimental study, the control group refers to the participants that does not receive the experimental treatment.
In conclusion, the other participants apart from Samuel were part of the control group since they received a placebo.
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