Which of the following statements about measures of validity is true?

a.

statistics, survey research, and scientific data can contain bias.

b.

statistics, survey research, and scientific data never contain bias.

c.

statistics and survey research always contain bias, but scientific data does not contain bias.

d.

survey research can contain bias, but statistics and scientific data do not contain bias.

select the best answer from the choices provided

mailman is the most possessive answee

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

the answer is:

to persuade readers that a conquering prince must destroy a former republic if he hopes to hold it.

in the excerpt from "the prince," the author niccolò machiavelli suggests that to take possession of a city and endure the control over it, it is necessary to destroy it first. otherwise, people who have known freedom will eventually turn against the new rulers and fight back to recover their power.