Natural sources of background radiation include: 1  Cosmic rays-radiation that reaches the Earth from space. 2  Rocks and soil-some rocks are radioactive and give off radioactive radon gas.atural sources. Natural sources of background radiation include: 1  Cosmic rays-radiation that reaches the Earth from space. 2  Rocks and soil-some rocks are radioactive and give off radioactive radon gas. 3  Living things-plants absorb radioactive materials from the soil and these pass up the food chain.
Rapper Kayo Redd, younger brother of hip-hop star Waka Flocka Flame, died yesterday in Atlanta. More News. Redd recently released a mixtape, Redd Kisses, and promoted it just hours before he died. The cause of his death has not been officially released; conflicting reports pin it to a shooting in his old neighborhood or suicide.
Speaker Knockerz Dead: What Happened To Twitter Star Derek McAllister And Why Rapper's Body Wasn't Found For Days (VIDEO) After a toxicology report showed no foul play, fans of Speaker Knockerz are having trouble understanding how 19-year-old Derek McAllister died at such a young age.