It's comunicas because the question is in the tu form.
You don't serve your family, or know them (because you already do).
What things Orellana found in his exploration and search for The Golden- answer: Orellana found and named the Amazon River
Answer:
O Cómo está
Explanation:
-Señor Hernando: Buenos días, señora Medina. y __cómo está__ usted?
-Señora Medina: Buenos días, señor Hernando, estoy bien, gracias.