the eruption of Mt. St. Helens was Group of answer choices Related to the subduction of the Juan de Fuca oceanic plate A total surprise Within hours of the first earthquake A gentle eruption

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks