The following are examples of struck-by hazards. which one is an example of a struck-by flying hazard?

a. hit by a load dropped from a crane
b. hit by a nail from a nail gun
c. run over by a vehicle in a roadway work zone

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.