Answer:
1.
an exchange of diverging or opposite views, typically a heated or angry one.
2.
a reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
They had to stay on topic. if they strayed to far people might not understand them. AND the entire goal of the Declaration of Independence was to bring the countries together so they understand.
No not all communication serves a positive purpose
The statue which the goddess Venus (Aphrodite) brings to life for him, is named Galateia, they get married and have a son Paphos and a daughter Metharme and they are the grandparents of Adonis who grows up to loves Venus
Many unicellular structures according to darwins book of philosophy