The practice that best qualifies as a pseudoscience is using the smells of different oils to help a person feel energized (option A).
<h3>What is pseudoscience?</h3>
Pseudoscience is any body of knowledge that purports to be scientific or to be supported by science but which fails to comply with the scientific method.
Common examples of pseudoscience are as follows:
The belief that two people send cues to one another based on their body positioning.
The belief that a person's personality can be seen through their handwriting
According to this question, the act of using the smells of different oils to help a person feel energized is an example of pseudoscience because it does not comform to the scientific method.
"They contain at least one double or triple bond" is true of saturated fatty acid chains. This extra bond is why they are called "saturated", because they had less ability to take on other bonds.
