Which best summarizes the peppered moths in England after the Industrial Revolution?
A. A new mutation allowed moths to survive.
B. The phenotype frequency changed.
C. The light moths had an advantage.
D. Moths learned to adapt to their environment.

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.

Are their choices to the question?