According to the law, a galaxy two times as far away from earth as a second galaxy will be moving away approximately twice as fast. a. sagan b. hubble c. dark matter d. cosmological

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

golgi body just took the test on edge