Which health and safety risk is associated with tailings dams?
if the dam fails, it can cause a methane explosion.
tailings dams are a common site of rock bursts.
if the dam fails, it can cause a flood of toxic materials.
tailings dams are a common site of drowning accidents.

the answer is c. altitude. hope this ! #brainiac

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.