Why can we burn fuel to keep ourselves warm?

We do this to produce energy.

Explanation:

Hope it helps.

1. they vary with a higher number because boiling is way hotter than melting

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.