There are 165 major rivers in the world .
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.
Population would go down drastically and there would be no next generation x
Answer:
False
Explanation:
A confined aquifer has an impermeable rock layer that prevents surface water from seeping through
