Analyze the map above. Which of the following countries is identified correctly?

i. Country A is Egypt
ii. Country G is Sudan
iii. Country H is South Africa

A. i. only
B. ii. only
C i. and iii. only
D. ii. and iii. only

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

Population parameters are difficult to calculate due to

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?