Sheet-shaped clouds are called

What river in Africa was essentially used as a highway to transport gold and salt? A. The Nile River B. The Niger River C. The Kengali River D. The Senegal River

Which statements concern pandemics? Choose all that apply. a. confined to a specific geographic area b. easily spread to new areas c. highly contagious disease d. the bubonic plague e. the common cold

The number of people supported by a unit area of arable land is called what?

How Volcanoes occur and how Earthquakes occur?

What city in Europe is located at 38 north and 24 east?

Which latin American country is the only nation ever created as a result of a revolt by enslaved people? A. Brazil B. Chile C. Haiti D. Aragentina

Where did the big bang occur? where did the big bang occur? near the center of the milky way galaxy. near the andromeda galaxy. several billion light-years away. near the earth. throughout all space?

Convection currents in the plastic mantle are believed to cause divergence of lithospheric plates at the

Which movement is completed in a 24 hour time period? A the moon completing a revolution around Earth B the outer planets orbiting the sun C Earth completing a revolution around the sun D Earth completing a rotation on its axis

What is upwelling for science