Volcanoes, questions and pairs

These are the different pairs, their volcano and questions to answer.

Jorge, María y Alex Pe: Volcán Arenal
Why is lava hot?

Manuel y Oscar: Mauna loa
Where does lava come from?

Pedro y Alex Cojocaru: Taranaki
How long are volcanic chimneys?
How long is the distance between the lava and the ground?

Emilio y Jairo: Etna
Can you enter in a volcano?

Nieves y Hector: Teide
How long can you feel lava heat?
What temperature can the lava rise?

Fer e Igor: Monte Olimpo
When does a volcano die?