The correct answer is graphical user interface.
<h2>Piston rings help form a tight seal between the piston and cylinder.
Answer is A. Piston ring</h2>
The output is 21 because c is incremented by 3 until it surpasses 10 and the value of c is added to sum each time the loop runs.
I hope this helps!
Answer:
They are changing schedules without proper notice, cutting workers without proper notice and falsely advertising.
Explanation:
