Answer:
I deeply believe that it would be options 1, 2, and 4? Sorry if i'm wrong and good luck!
Answer:
Radium-226 is a radioactive decay product in the uranium-238 decay series and is the precursor of radon-222. Radium-228 is a radioactive decay product in the thorium-232 decay series. Both isotopes give rise to many additional short-lived radionuclides, resulting in a wide spectrum of alpha, beta and gamma radiations.
Those are both correct! great job, keep up the good work (-:
Answer:
kidney, bladder, rectum, urethera
Explanation:
