Here are the possible solutions for they have phs below 7 clue
Answer
Clue
Relevancy
acids
Clue
They have pHs below 7
Definition
ACID, a type of chemical compound
alkalis
Clue
They have pHs above 7
They have high pHs
Definition
ALKALI, (Arabic) a substance which, dissolved in water, forms a solution containing hydroxyl ions and with a pH of more than 7
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT
torme
Clue
Mel whose epitaph says, "Music, the greatest good that mortals know / And all of heaven we have below"
edwardgrobinson
Clue
Actor who said "Some people have youth, some have beauty—I have menace"
ews
Clue
Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"