their" in paragraph 3 refers to ________.,,,,==conservationists|interventions|consequences|the findings">
5
efficacious" in paragraph 3 could be best replaced by ________.,,,,beneficial|productive|advantageous|==effective">
15
Their" in paragraph 2 refers to _______.,,,,Choices|==Analysts|Materials|Consumers">
23
unabated" in paragraph 6 is OPPOSITE in meaning to __________.,,,,constrained|==attenuated|curtailed|arrested">
25
playing Russian roulette" in paragraph 2 could be replaced by ________.,,,,confronting dangers|making choices|facing challenges|==taking severe risks">
35
ephemeral" in paragraph 2 is OPPOSITE in meaning to ________.,,,,transient|==enduring|endless|interminable">
40