Definition:
A research problem is a statement about an area of concern, a condition to be improved, a difficulty to be eliminated, or a troubling question that exists in scholarly literature, in theory, or in practice that points to the need for meaningful understanding and deliberate investigation.
The correct answer for this question is Designed experiment.
A person experiences the placebo effect when their physical or mental health seems to get better after receiving a placebo or "dummy" treatment. A treatment that seems to be real but is intended to have no therapeutic benefit is referred to as a placebo. The Latin word for placebo means "I will please."
One of the most popular hypotheses holds that a person's expectations are what causes the placebo effect. It's possible that the body's chemistry can produce results comparable to what a drug might have produced if a person anticipates a pill to do something.
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Though I'd only recommend an increase of handywork and skill, Out of the options above, i'd choose to use dull knives.
The answer is C.) can provide love and nonmaterial resources.
The correct answer should be <span>D They replenish electrolytes and carbohydrates.
Carbohydrates are important when working out because they are a source of quick energy which is why athletes eat things like pasta often. Electrolytes are important for keeping the body well hydrated. Sports drinks contain these but they are often synthetic and actually do more harm than good.</span>
