Answer:
They are eukaryotic, which means they have a nucleus. Most have mitochondria
Cation and an anion the differences in charge make them attracted to each other
The reactants in the neutralization reaction are an acid and a base while the products are a salt and water.
The factor that does not influence stream velocity is DISCHARGE.
Stream velocity refers to the speed with which the water in a stream is flowing. The factors which affect stream velocity include channel size, channel shape, turbulent flow and gradient.