Since one sievert is a large quantity, radiation doses normally encountered are expressed in millisievert (mSv) or microsievert (µSv) which are one-thousandth or one millionth of a sievert. For ...

(Example: Exploring how distance and shielding materials affect exposure to radiation.) Energy and Matter: Exploring the transfer and transformation of energy during radioactive decay and nuclear ...

The idea of ecological opportunity acting as the trigger of adaptive radiation has been demonstrated in numerous examples using both living and extinct organisms. Ecological opportunity permits a ...