[facedown]

It takes more energy to separate the hydrogen and oxygen atoms in water than is released when it is burned and returns back to water.

Yup.

[Vn_survivor_67-68]

"Fur & feathers are good insulators because of air spaces inside"

http://csmate.colostate.edu/cltw/cohortpages/viney_old1/thermodynamicbingo.html