A becquerel is a unit of radioactivity in which one atomic nucleus decays every second.
From the ecocentric.blogs.time.com
Curie is a measuring unit for radioactivity.
From the en.wikipedia.org
A becquerel is a unit of radioactivity defined as a quantity of material in which one atomic nucleus disintegrates a second.
From the bloomberg.com
A becquerel is the International System unit of radioactivity, equal to one nuclear decay or other nuclear transformation per second.
From the cnn.com
A becquerel is a unit of measurement of radioactivity.
From the cnn.com
Another unit of radioactivity is the curie, Ci, which was originally defined as the activity of one gram of pure radium, isotope Ra-226.
From the en.wikipedia.org
In the worst-case scenario, the fuel can rupture the containment unit spilling out radioactivity through the air and water.
From the cnn.com
In the worst-case scenario, the fuel can spill out of the containment unit and spread radioactivity through the air and water.
From the edition.cnn.com
In the worst-case scenario, the fuel can spill out of the damaged containment unit and spread radioactivity and cancer-causing isotopes through the air and water.