Question

An antenna has a power gain of 45 dB and an
efficiency of 90%. The directivity of the antenna is​

Answer 1

Answer:

Explanation:

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sebaceous glands are holocrine glands that produce sebum, a semiliquid mixture of glandular cell debris containing glycerides, free fatty acids, wax esters, squalene, cholesterol, and cholesterol esters.

Sebaceous glands are present everywhere on the human skin except for the palms, soles, and dorsa of the feet.

Generally, they are associated with hair follicles and empty through a short duct

into the canal of the hair follicle.1 The sebaceous glands are holocrine glands that produce sebum,

a semiliquid mixture of glandular cell debris containing glycerides, free fatty acids, wax esters

, squalene, cholesterol, and cholesterol esters. The largest and most numerous sebaceous glands are found on the face, scalp, chest, and back.

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