Which of the following statements describes how energy is produced in the sun? a.) the sun burns fuels to generate energy. b.) as hydrogen changes into helium deep inside the sun, a great deal of energy is made. c.) energy is released as the sun shrinks because of gravity. d.) none of the above

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?