Fungi do not make their own food. The answer is B.
Physicians frequently encounter ethical dilemmas in all aspects of patient care. The resolution of these dilemmas should always be achieved with a focus on maximizing benefits for, respecting the preferences of, and minimizing harm and suffering to the patient. Patients should be briefed on all of their treatment options, including potential risks and benefits, prior to treatment. Competent patients, or in some cases, their surrogates, have the right to withdraw consent for any intervention, at any time, for any reason. A physician is ethically and legally obliged to keep a patient's medical information confidential except in isolated cases, in which the patient is at risk of harm to self or others
The correct answer is: The correlation coefficient = -0.62.
This is shown in the experimental studies. It is shown that prevalence of caries is 62% lower in children who brush their teeth few times a day when compared to those who never brush their teeth.
Soot is mainly composed of carbon. The black particles is ALL carbon because of the incomplete combustion of the hydrocarbons. Therefore, your answer is B, black carbon.