Answer:
a phrase that is informal and particular to certain time periods or social situations is called an idiom
I think it’s A or D...Try one of those
Answer:
In the sentence, use a comma after "Although he had witnessed a horse give birth dozens of times" because it is an introductory clause.
No comma is necessary in "The young colt pranced around and whinnied." because it is a coordinating conjunction.
Explanation:
