How can you measure the rate of tectonic plates moving apart from a divergent boundary (with tools)

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?

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics