Answer:
perceptual sets.
Explanation:
Perceptual set: In psychology, the term perceptual set is determined as an individual's susceptibility or predisposition to perceive or recognize specific things in a certain manner or way. In other words, the perceptual set is described as an individual's propensity to notice only a few aspects of a particular object and therefore ignoring all other aspects or details.
In the question above, the given statement signifies that Professor Brandt is conducting a study on the perceptual sets.
Answer:
the statement is true that some bacteria have whiplike tails that spin to propel them forward.
Explanation:
these are known as flagella
Nationalism is a feeling of intense loyalty to ones country.