Answer:
What appliance do you use every day?
Iron has two kinds of valence number because, in order to attain stability it looses it two electrons in the 4 orbital and then has 2 more valencies and since the half filled orbitals are more stable it loses one more electron from d orbital and has +3 valency.
Answer:
ellas responden would be the correct conjugation.
Answer:
José y yo nos quejamos por cualquier cosa
Ellos se fijan en los detalles de las películas
¿Qué vestido me pondré?
Yo no me atrevo a tomar una decisión tan importante
Yo nunca me acuerdo de tu nombre