Many of the independent films in the 1970s can best be described as combining: A. old classic Hollywood singing and dancing scenes.
B. new narratives with protests of existing conditions.
C. new names with biased roles for people of color.
D. All of the above​

Magma is outside the volcano  and lava is inside the volcano. 

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;

Iwould choose c or d

Explosive eruptions are the most hazardous, involving large volumes of tephra and gases emitted from the volcano. lahars, pyroclastic flows, ashfall, and many other volcanic hazards are commonly associated with explosive eruptions. explosive eruptions are very dangerous. basically, any form of hazard can occur.