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:
There are 37 time zones in place today
The ultimate source of energy that lifts and transports the atmospheric water (vapor and cloud) to its highest elevations is solar energy. It is the sun that gives enough energy to water for its evaporation.
A
let me know if i’m wrong
