The correct answer is an experiment.
An experiment refers to an investigative study, where a researcher scientifically tests a hypothesis. Specifically, a researcher tests the effect an independent variable (manipulated variable) on the dependent variable (outcome), to investigate whether there is a causal (cause and effect) relationship between the variables. For instance, if a researcher wants t<span>o determine a cause and effect relationship between alcohol consumption and driving ability, he or she would use an experimental research study to do so. </span>
Answer: perception of emotion.
Perception of emotion <span>refers to the ability of recognizing and identifying
</span>emotions <span>in other people. </span>Emotions can be perceived through visual, auditory, olfactory, auditory sensory processes. They are usually viewed as having three components: a subjective experience (of the person having the perception), physical changes on the person and cognitive appraisal.
Explanation:
The sense of smell depends on the sensory receptors which responds to the airborne chemicals. Olfactory receptors are also known as smell receptor or protein capable of binding the odour molecules which plays a important role in the sense of smell.
The smell of the chemicals produce s a burning sensation inside the nose. This is because the chemicals in the solution binds to the branches of the trigeminal nerve in epithelial lining. As a result of which the olfactory receptors sends a signal to our brain and it causes a burning sensation in the nose.
I don't know if there were any options, but something that is at heart of a democracy is popular sovereignty: the belief that the power is in the hands of the people.
In a representative democracy those people are represented by some people chosen, to make the democracy easier to work.
alternatively you could say a body of laws: legislature or a constitution.