According to the article, how are true friends identified? Give an example of how you have been a true friend to someone. (Site 1)

If soap hits the floor, is the soap dirty or the floor

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Iknow the answer is a but i don't know why