A stream runs out of a lake and travels down the side of a hill. Which option best describes the change in energy stores?
- Akinetic energy $\rightarrow$ chemical energy + internal energy
- Bgravitational potential energy $\rightarrow$ kinetic energy + internal energy
- Cgravitational potential energy + kinetic energy $\rightarrow$ internal energy
- Dkinetic energy $\rightarrow$ internal energy + gravitational potential energy