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.
I believe your answer would be A- Farmers and urban dwellers.
Hope this helps. Correct me if I'm wrong.
The first blank is commodity production and the second blank is education.
<em>hope this helps. :)</em>
Answer: B. Dictatorship
Hope this helped!!... :D
Please correct me if I'm wrong!!... :3
