Brown bears in captivity frequently pace back and forth on the same spot, swing their heads from side-to-side, and engage in other obsessive patterns of behavior that show signs of stress. they behave this way even when their living areas are spacious and include elements similar to those found in their natural habitat. this shows that conditions of captivity are not a satisfactory substitute for the brown bear's natural environment. which of the following statements best expresses the main conclusion of the above argument?

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions