The prepositional phrase is "On the bike trail", the preposition is "On", and the object of a preposition is "bike trail"
Explanation:
A prepositional phrase is a group of words that is formed with a preposition, an object and a word or words that modify that object. A preposition is a word that connects nouns pronouns or phrases, and an object of a preposition is noun, noun phrase, or pronoun that follow a preposition, in the sentence "Our walk on the bike trail was refreshing." have a prepositional phrase "on the bike trail", a preposition "On" and an object of preposition "bike trail"
He is no longer their leader, otherwise they would have faith in him. If they lose faith in him, they won’t follow him or his directions, so he can’t possibly be their leader.
