History, maturation, and instrumentation are especially threatening to studies when a. there are big individual differences between participants b. order effects also exist c. environmental variables are minima

Where do most people in arabia and iraq live? a. in the fertile crescent b. in the rub, al-khali c. in cities d. in and around mecca

The red arrow shows the direction that wind from the south pole would travel if earth were not spinning. the wind's destination is at point a. because earth is spinning in the direction shown by the blue arrow, the coriolis effect will cause the wind to terminate closest to which point?

Which of the following best describes how the articles of confederation divided government power?