How does sea floor spreading relate to supercontinents? a. it lowers the overall water level in the ocean so land masses can join together. b. it leads to the new formation of tectonic crust under the water that either pushes continents together or pulls them apart. c. it turns continental crust into oceanic crust. d. it creates new land structures in the middle of the ocean.

How is the brightness of oled of the diaplay is controled

Can someone who is skilled at coding create me a java chess game. don't copy from online source codes. make it original ! : d

Jason typically uses the internet to buy various items. it the total cost of all of the items ordered, at one time, is $250 or more, then the shipping and handling is free, otherwise the shipping and handling is $15 per item. design an algorithm that prompts jason to enter the number of items ordered and the price of each item. (remember cost = number of items order times price) the algorithm then outputs the total billing amount including shipping and handling. your algorithm must use a loop (repetition structure) to get the number and price of each item. write this in algorithm format not program code format.