Suzanne spends 2 hours riding her horse from Deer Creek Dam to the campground. The trail is around 4000 meters long. When Suzanne reaches the campground the horse is galloping at a speed of 8 meters per second. What is the average acceleration of her horse? *

Rising amounts of greenhouse gases are preventing heat radiated from Earth’s surface from escaping into space as freely as it used to. Most of the excess atmospheric heat is passed back to the ocean. As a result, upper ocean heat content has increased significantly over the past few decades.