Directions: Each question has a set of four sequentially ordered statements. Each statement can be classified as one of the following:

• Facts (F), which deals with the pieces of information that one has heard, seen, or read, and which are open to discovery or verification.

• Inferences (I), which are conclusions drawn about the unknown, on the basis of the known.

• Judgments (J), which are opinions that imply approval or disapproval of persons, objects, situations, and occurrences in the past, the present, or the future.

1. Beginning in 1962, Rachel Carson warned that pollution was a threat to all human and animal life on the planet.

2. And yet, thanks in large part to her warnings, a powerful political movement was born and a series of landmark environmental bills became law.

3. In recent years, several worrisome environmental trends have either declined from their peak or ended altogether.

4. The left is afraid of the environmental good news because it undercuts stylish pessimism.