(1) Some people say "I seen it"; other people say "I saw it".
a. phonetics/phonology
b. morphology/syntax
c. lexicon
(2) Some people say the words "which" and "witch" the same way; for others, they are
distinct.
a. phonetics/phonology
b. morphology/syntax
c. lexicon
(3) Some people say "lightning bug"; other people say "firefly."
a. phonetics/phonology
b. morphology/syntax
c. lexicon
(4) Some people pronounce water as "wahter" but others pronounce it as "wooder."
a. phonetics/phonology
b. morphology/syntax
c. lexicon?
Please help I need answers asap