Correct answer: (d) 1, 2 and 3
Explanation
- A
1 and 2 only
1 and 2 only. Bioaccumulation (3) is also keyed.
- B
2 and 3 only
2 and 3 only. Occurrence in water/food/packaging (1) is also keyed.
- C
1 and 3 only
1 and 3 only. Persistence (2) is also keyed.
- D
1, 2 and 3
1, 2 and 3. Forever chemicals: widespread, persistent, bioaccumulative.
Summary. Official key is (d) all three. PFAS are widely found in drinking water, food and packaging. They resist degradation. They bioaccumulate in animals. All three statements hold.
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