Answer:
E. all of the above
Step-by-step explanation:
Shield volcano -
The composition of shield volcano is fluid lava flows , which is very low in viscosity , and hence flows to form a broad sheet of lava , which builds the distinctive form of the volcano .
These volcanoes are large and have very low slope , just like the Hawaiian volcanoes .
The composition of shield volcano are of lava tube and the solidified lava flow .