Answer:
They are written in this manner in order to to reduce the influence of acquiescent bias (responding).
Explanation:
Acquiescence bias (responding) is a category of response bias in which respondents to a survey have a tendency to agree with all the questions or to indicate a positive connotation. Acquiescence is sometimes referred to as "yea-saying" and is the tendency of a respondent to agree with a statement when in doubt.
By formating the Likert scale so that in one half agreeing with means that the person has the variables measured and the other half means that the variable is not measured avoides acquiescent bias (responding).
Ionosphere
The thermosphere. It has this name because gas molecules in one layer of the thermosphere are bombarded with rays from the sun. These rays cause the gas molecules to lose electrons and they become ions. Because of these ions it is called the ionosphere.
Saturn has 62 known moons and neptune 14 known moons, the difference would be 48 moons.