Answer:
por que asesinaban a sangre fria de ahi el nombre yo pienso eso
Answer:
Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.
Answer:dishes that were cleaned
Explanation:
Answer:
New York is the most populous city in the US