Although we can divide the history of the universe into many distinct "eras," sometimes it’s useful just to have a broad perspective on what events occurred in the very early universe and what events occurred later. listed following are events that occurred either before or after the first five minutes in the history of the universe. match these events to the appropriate time period.
(a) galaxies formed
(b) antielectrons (positrons) as common as electrons
(c) photons of cosmic microwave background released
(d) temperature fell to 10^15 k
(e) strong force and electroweak force first became distinct
(f) carbon nuclei formed by fusion
(g) inflation occurred
(h) star formed
(1) sometime after the first five minutes
(2) within the first five minutes