Question

these glands are located in the outer ear canal. o serous glands o ceruminous glands o mammary glands o sebaceous glands o sudoriferous glands

Explanation:

Ceruminous glands are specialized sweat - like glands located in the outer ear canal that secrete cerumen (earwax). Serous glands are not located in the outer ear canal. Mammary glands are related to milk production and are found in the breasts. Sebaceous glands are widespread in the skin but not specifically in the outer ear canal for this function. Sudoriferous glands are sweat glands and not the ones in the outer ear canal for earwax production.

Answer:

B. ceruminous glands