Why is the oceanic crust much younger than the continental crust? the ocean basins did not begin forming until after the breakup
of Pangaea it is eroded away by ocean currents it is constantly recycled through subduction processes it is only formed after a volcanic eruption somewhere under the ocean
1. Coal is in the underground and we have to dig it out. Water is always there and circulating. Wind and Solar are things that have and will exist for a long time. We can use them and cycle them
