Around 450 B.C., the Greek philosopher Democritus introduced the idea of the atom. However, the idea was essentially forgotten for more than 2000 years. ... He proposed the plum pudding model of the atom. In this model, negative electrons are scattered throughout a "sea" of positive charge.
Explanation:
They both refer to the same definition but they have different usages. Well isotonic solution is a solution in which equal concentrations of solute(mostly salt) are present both inside or outside the cell. And equilibrium means a state of being. Meaning when we say something is in equilibrium the actions and reactions of that body/chemical is equally(the actions and reactions) acting. It means both sides of your chemical equation are equal in concentration.
Panting. This is how they cool off when they are too hot.
Ya...both are correct ! so go for that !
