read the sentences. glazing pottery can be tricky. the stunning results make the effort worthwhile. what…

read the sentences. glazing pottery can be tricky. the stunning results make the effort worthwhile. what should be included to best combine the sentences? ; , and , but when
Answer
Brief Explanations:
The first sentence states glazing pottery is tricky, and the second shows despite that, the results are rewarding. A contrast - indicating word is needed. "but" is used to show contrast.
Answer:
C. , but