Distingue las siguientes transformaciones en físicas o químicas: a) Una fruta se pudre b) Un líquido rompe a hervir
c) El motor de un patinete eléctrico d) Un motor de gasoil funcionando
e) Cocer unas patatas f) La luz emitida por las luciérnagas

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

Is cutting your nails a physical or chemical change