In humid climates, limestone regions tend to be
O A. valleys
O B. ridges
O C. plateaus
O D. volcanoes

A,) cause a & b are equal & both gives 180°

Answer metamorphic rock;

The telegraph idk what else to tell you you are probably just gonna copy it which btw i would do the same thing but it says i have to have at least 20 characters so yeah there you go 

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.