Answer: There are actually two correct options (I'm a native speaker). Son and eran
Explanation:
Son is in present and eran is in past
The Northern hemisphere consists of about 90% of the earth's land area.
The Southern hemisphere consists of about 90% of sea.
North has winter.
South has summer.
Hoy me desperté a las cinco de la mañana.
When carlos and sofia were very young, they did not.( that is really all it says)
What is the question asking for ?
