The superscript of element Cl⁻ indicates it is a negative ion.
The human heart has only 4 chambers. Left and right atria and left and right ventricles.
Water is warmed by the sun and is evaporated. It is then cooled down and condensed. Finally, it is brought back to Earth in the form of water droplets (Rain)
I hope it helps!^^ May the power of unicorns be with you!
Meteorology is the science of the weather. The weather person on the TV is a meteorologist.
Some of them quite liked meteorology, but others only tolerated it as it is not an exact science