Question

Fjords are formed by __________.

Answer 1

Volcanoes and Earthquakes (option A.) (wouldn't be your answer)
Seas and hurricanes (option C.) wouldn't be your answer)
Rivers and Glaciers (option D) (it can be your answer )
glaciers and hot spring (option B) (this can be your answer)

Try going with , Glaciers and Hot Spring (Option B.) if that's not corrext then try going with Rivers and Glaciers (option D.).

Answer 2

A fjord is formed when glacier retreats and the sea fills the resulting valley floor.