Radioactivity affect the water molecules. Radioactivity makes it harmful
The radioactivity from it can affect it.
They don't - which is why radioactive dating works.
Among other things, it keeps the core hot (and molten).
Polonium and especially radon contribute to the natural environmental radioactivity.
Yes, since polluted air and/or water will make you sick or can kill you. Radioactivity can do the same.
the affect of the fish thing is like you can't even put a magnet on a fish so yea
Pelicans eats fish, which may affect other animals that eat fish. Also it may affect plant/animals that the fish eats.
how do any living thing affect puffer fish
Different types of radioactivity have different amounts of energy and this directly impacts the half life. More energy will decrease the half life because it quickly gives off the unstable energy.
yes it can affect the fish because if you holed the fish upside down you can cause it not to breathe because all of the water is out of its system
"Currents affect fish by bringing in rubbish, dirty water, and other stuff"