How can volcanoes be beneficial? A. The lava breaks down into fertile soil over time.
B. The ash clears out harmful bugs like mosquitoes long after the volcano has
erupted.
C. They provide a nesting ground for certain bird species that need extremely
hot temperatures to hatch their eggs.
D. Sulfur dioxide binds to pollutants and pulls them out of the air as the ash
falls.

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d