The research revealed that cats, on average, sleep 50% more in a 24-hour period than dogs.
B. Mistakes
The preposition here is "for" so the object or noun that goes with it is mistakes.
Answer:
Adverbail
Explanation:
Adverbail phrases include two or more words that serve as adverbs. so "in a hour or two" can be classified as an adverb phrase
B. Theresa played well in the tennis match and advanced to the finals.