The Solar Neutrino Problem Was Solved by

Multiple Choice

The solar neutrino problem was solved by

A) adjusting the rate of hydrogen burning in solar models.
B) Fixing a flaw in neutrino detector design that had reduced detection efficiency.
C) postulating that neutrinos had mass and oscillated between three different types.
D) lowering the percentage of helium in models of solar composition.
E) correctly measuring the density of the Sun's interior.