The answer is C(An Allele).
The answer to this is : B, Their roots.
latic acids. cause by milk
chittrus acids. cause by lemon juice
Answer:
The modern medical era began when an absent-minded British scientist named Alexander Fleming returned from vacation to find that one of the petri dishes he forgot to put away was covered in a bacteria-killing mold. He had discovered penicillin, the world's first antibiotic.
