Select all that apply.
which statements reflect the challenges associated with methods of measuring public opinion?
methods for measuring public opinion are subject to human error.
results obtained from one method may differ greatly from another method.
data becomes quickly outdated because public opinion often changes.
polls are no more reliable than the samples on which they are based.
pressure groups generate greater support or opposition than really exists.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )