<span>Option B. Root cause analyses helps us identify failures in a system body that can be corrected to prevent future occurrence. It is used to describe a wide range of approaches, tools, and techniques used to uncover the MAIN causes of problem. For example it was discovered that final year students performed woefully. On investigation, it was further discovered that the students were tutored by incompetent teachers. On further investigation, it was discovered that the school couldn't afford to hire good teachers. So it may be deduced that the root cause of the students failure is money. If a certain factor is removed from the problem system and the removal prevents the final undesirable outcome from recurring then that problem is the root cause.</span>
I believe this adaptation of the blue poppies to their environment is due to directional selection. Directional selection refers to the mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of the favored phenotype. In our case the plants with the thickest leaves were favored as they were more adaptable and in the end there was a shift to this characteristic by other plants.
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Quarantine may create heavy psychological, emotional, and financial problems for some people. To be effective, quarantine demands not only that at-risk people be isolated but also that they follow appropriate infection control measures within their place of quarantine.
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Pigmentation of the skin results from the accumulation of melanin-containing melanosomes in the basal layer of the epidermis. Differences in skin pigmentation result both from the relative ratio of eumelanin (brown–black) to pheomelanin (yellow–red), as well as the number of melanosomes within melanocytes.
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It think it is the third option, since osmosis is not passive.
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