Answer:
Nuclear Fusion that takes place between hydrogen atoms.
Explanation:
The energy comes from the sun and the sun is mostly made up of hydrogen and helium atoms. The sun generates energy from nuclear fusion.
Hydrogen is being converted into helium in the core of the sun. This is called nuclear fusion.
Similarities :Both alluvial fans and deltas deposit sediment.
Difference:
A delta forms when a river empties into a larger body of water. An alluvial fan forms on land where a river emerges from a mountainous area and flows out onto a more gently sloping plain. The decrease in slope causes the river to decelerate and deposit sediment, forming an alluvial fan.