Need them asap 1. which of the following has the longest life? a. sun b. dwarf star c. giant star d. supernova d 2.which type of fusion occurs in the red giant phase? a. hydrogen to helium b. helium to hydrogen c. hydrogen to carbon d. helium to carbon b 3.which type of telescope would you need to most easily see a potential neutron star? a. visible light b. x-ray c. infrared d. ultraviol