1. What is the cause of the decline in walrus population in Alaska? * A. Sharks ate all walruses.
B. Many walruses died from disease.
C. Walruses were hunted to extinction.
D. Walrus migration patterns have changed as a result of climate change.

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.