What are earth’s plates currently drifting on?

a. large rock formations
b. mantle currents
c. pangaea
d. water currents

How does the brandt line, walt rostow's modernization model, neocolonialism, and walterstein's world systems theory inform and intersect with each other when explaining economic development?

According to the population pyramid, in 2000 china had about 120 million people in which age-group?

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet? the planet started to cool and an atmosphere formed. the planet started to become round and heat up. the planet started to wobble and turned upside down. the planet started to compress rock and form more radioactive elements.