Which color has the longest wavelength?

question 5 options:

.ayellow

b. red

c. blue

b. purple

are there answer choices to this question? this seems like a question where you have options to choose from.

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.