26. shield volcanoes are a. broad b. gently sloping c. composed of solidified lava flows d. composed of lava tubes e. all of the above

E. all of the above

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 .