It can be dangerous.
Thousands of people died from the radiation caused by the only 2 nuclear weapons used for war.
advantages: helps cure cancer treatmants and gamma treatment disadvantage: in large doses causes death
natural radioactivity
the disadvantages of the PDA are that they are very large.
disadvantages : 1) occuppies large areas.
From nausea and vomiting, all the way to death.
Radioactivity causes the destruction (mutation) of DNA in our cells, when these cells multiply they contain the mutated DNA which causes irregularities and cancer.
Natural radioactivity.
Radioactivity affect the water molecules. Radioactivity makes it harmful
it is called natural radioactivity
What other sort of radioactivity is there?
For example natural and artificial radioactivity.
Radioactivity can be induced in ordinary matter by artificial transmutation.