Based on the clue 'a pet sound or a tree covering', what is the answer?

What is referred to by 'a perspiring abominable snowman'? Based on the clue 'a pessimist says were in the worst universe were ...', what is the answer? Based on the clue 'a pesticide called hcb has been classified by the ...', what is the answer? Based on the clue 'a pet for my pet this can spray its odoriferous m...', what is the answer? What is associated with: a peter gabriel song is named for this activist whose 1977 death in a pretoria jail turned him… Based on the clue 'a peter hoeg bestseller s sense of snow', what is the answer? Based on the clue 'a petition for certiorari asks that an appellate c...', what is the answer? Based on the clue 'a petition to place a candidate on a ballot includ...', what is the answer?