Para mi opinión creo que es la repuesta correcta el encéfalo consta de 3 parte el “cerebro, cerebelo y bulbo raquídeo” respuesta
nebular hypothesis
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.
