What sources of data are used by demographers?

What are the two current major approaches to detecting extrasolar planets indirectly?

These geographic factors aided Russia in its expansion efforts. Select all that apply. fertile soil few natural barriers harsh climate high elevations

Five friends earn a total of $50 doing yard work in their neighborhood. Each friend earns the same amount. Use the equation 5f=50 to find f, the amount that each friend earns

Which of these countries has the lowest percentage of arable land africa?

What type of state completely surrounds another smaller state

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