which of the following revisions best corrects the shift in tone and maintains a formal style throughout

It must contain no slang and stays to the topic being introduced

Explanation:

Have a great day! <3

the answer would be (b). the stave church in borgund, norway is an example of norse architecture.

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."