Seudónimo Seudónimo

04-04-2017
Chemistry

contestada

how might pockets of air in a birds bones allow it to fly ?

Respuesta :

huntermike huntermike

04-04-2017

less weight helps them fly easier.(^~^)/)

Answer Link

martinez789 martinez789

04-04-2017

less weight helps them fly easier.

Answer Link

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