Which answer best describes the scientific method? a. the best way to answer an untestable question b. the order in which experiments always happen c. five things that scientist do when working d. a hypothesis that cannot be answered.

earth's neighboring galaxy, the andromeda galaxy, is a distance of 2.54×107 light-years from earth. if the lifetime of a human is taken to be 70.0 years, a spaceship would need to achieve some minimum speed min to deliver a living human being to this galaxy.