Chesapeake Airlines is a small commuter airline with seats for 20 passengers (5 rows of 4 seats). Write a program that will assign a passenger to a seat on the airplane. The user enters a row (1-5) and a seat (A-D). The seat entry should not be CASE SENSITIVE. If the seat is available, assign an X to that position in the array. If the seat is unavailable, display a message to the passenger. NOTE: Use the displaySeats method after each row/seat entry, so the program displays the entire array. Continue processing requests(entries) until all the seats are filled, or the user enters -1 for the program to stop.

B)fortnite i think; )

Kpa - known-plaintext attack

Through the process of sedimentation,sediment is turned back to rock to form sedimentation.the process of sedimentation is: > deposition-where fragments were deposited into the river or sea under gravity or travelling agent such as wind or water. > sedimentation-the fragments deposited in the river sedimented and accumulate> compaction-the layers of fragments deposited undergoes compaction due to the weight if the upper layers> cementation-chemical substance of the fragments such as cement dissolved into the water and cement the other fragments together to form sedimentary rock.thus,cementation and compaction are the process.on the other hand, transformation only occur when a rock under goes metamorphism(compaction or extreme heat).while recrystillization occurs when a rock is melted and cooled down,which also requires metamorphism to take place.hope it !