Someone plz help me put this in order for time to oldest to most recent. in earths history. bacteria, trees, food , human , moon , dinosaurs, oxygen, trees

If you were a casual recreational hiker with young children, which of the following trails would be least strenuous for a leisurely family outing? a. merced lake trail b. mirror lake loop trail. c. tenaya lake and tuolumne meadows trail d. el capitan trail