Members of a population may become separated from the original population by a newly formed mountain range. This occurrence This occurrence is an example of A) geographic isolation B) reproductive isolation C) natural selection D) struggle for existence​

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.