Can someone please give me an example of a historical diffusion and an example of a contemporary diffusion, along with which type of diffusion it is, please and thank you?

Blues music is characteristically in a 4/4 meter true or false

The 529 plan is the type of plan. a. financial fid. b. grant. c. tuition savings. d. scholarship

(i think the answer is c, can someone confirm if i’m correct? if not correct and i’ll mark you brainliest + 15 free points ) even when you have the right-of-way, you're responsible for before you drive forward. a. yielding to other road users b. honking to alert other road users c. making sure the path is clear d. flashing your headlights