True:
California is a solid Democratic state today.
False:
Political elites are not very polarized today.
The Tea Party movement is more popular in New England than in the South.
Unsure:
The Democratic Party is becoming more popular in the South.
Answer:
An observational study, not an experiment.
Explanation:
Researchers investigated reasons why different species of birds begin to sing at different times of the morning. They captured and examined birds of 57 species at different sites around England. They reported that there is a strong relationship between the diameter of a bird's eye and the time it starts singing in the morning: birds with larger eyes tend to start singing earlier.This is an example of An observational study, not an experiment.
Answer:
A trade association is the kind of international organization that would most benefit this nation.
Explanation:
Small nations generally do not have large economic output or global supremacy in the production of any specific or specific service. Therefore, its presence and importance in world markets is not so important, and in case it needs to compete with larger nations, it cannot do it by its own means because it does not have the necessary economic volume to affirm its presence in the market.
Therefore, to help these nations stabilize economically and commercially, the largest and most dominant nations often enter into trade agreements with them to help them progress.
The correct answer is C.
By definition, a bias is a systematic error that generates a distortion in the forecasted results. It can consist on an overestimating or underestimating a parameter.
For example, sampling bias appears when the sample obtained is not a proper representation of the underlying population.
Answer:
Nazi leader Adolf Hitler violates the Treaty of Versailles and the Locarno Pact by sending German military forces into the Rhineland, a demilitarized zone along the Rhine River in western Germany.
