Question : The radioactive Strontium-90 causes:
Option 1: Brain cancer
Option 2: Skin cancer
Option 3: Lung cancer
Option 4: Bone cancer
Correct Answer: Skin cancer
Solution : The correct answer is Skin cancer.
The radioactive Strontium 90 causes skin cancer, Strontium 90 is a part of polluted soil at sites which were previously affected by nuclear explosions. Sr 90 is a radioactive metal released into the environment by atomic testing it gets incorporated into the soil.