A satellite image of Africa with 4 regions circled labeled A, B, C, and D. A is near Spain and Portugal. B around the middle of Africa. C is near Egypt. D is around the Saudi Arabian peninsula. Image courtesy of NASA

On the map above, what landform is located at oval A?
A.
the Sahel
B.
the Sahara Desert
C.
the Nile River Valley
D.
the Atlas Mountains

Which of the following statements about working conditions in the 1920s is not accurate? a. "in general, wages fell during the 1920s." b. assembly lines were designed to speed up production and reduce the need for skilled labor. c. many skilled craftsmen lost jobs during the 1920s. d. some employers added benefits such as paid vacation and pensions.

Why did the actions taken at the congress of vienna inspire the nationalists movement across europe in the 1800s. a)the congress of vienna prevented former leaders from regaining control of their countries creating chaos. b)the congress of vienna imposed british rule over the entire continent of europe, upsetting monarchs. c) the congress of vienna established democracies across europe that had little power or organization. d) the congress of vienna put the absolute monarchs back in power upsetting commoners

Which steps are important when designing and conducting a scientific experiment? hide the results from fellow scientists. identify the independent variable. eliminate all dependent variables. address any confounding variables. form a non-falsifiable hypothesis.