Light travels slowest in high density mediafaster in lower density media, and fastest in low density media . Which wave behavior is observed when light passes through media of different densities? A diffraction

B reflection

C refraction

D interference

it is prolly d and c and f

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs