Preparing your study page...
Preparing your study page...
Correct answer: C
Explanation
A is incorrect because the passage explicitly moves beyond focusing solely on invasion. B is incorrect because the passage contrasts single-cause theories with more complex understandings. C is correct because the text concludes that decline is seen as a 'protracted process of cumulative vulnerability' involving multiple stresses. D is incorrect because while resource depletion is mentioned, it is only one component among many interlocking weaknesses.