Answer:
D or C is the correct answer if not I'm sorry if it's not right.
I hope this answe helps because this is a true fact question due to plagiarism is the 100% no-no for schools bussinues all of it, you name it.
(You can try these, these words can represent "system".) Method or methods, organization, routine, strategy, or operation.
A comma and a conjunction always work well but it really depends on the sentences you are combining.
The formal tone indicates that the topic possesses real-world importance.
Have a nice day!
Alright, edit the images. I'll try to be helpful
