Learning that occurs as a result of watching the behavior of others is called: A: classical conditioning. B:operational conditioning. C:observational learning. D:latent learning.

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.