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2  _  _  _  _

3  _  _  _  _

4  _  _  _  _


ACROSS
1)  a pouch in many birds and some lower animals that resembles a stomach for storage and preliminary maceration of food
2)  a deposit of valuable ore occurring within definite boundaries separating it from surrounding rocks
3)  imitate uncritically and in every aspect
4)  a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked


DOWN
1)  sharp curved horny process on the toe of a bird or some mammals or reptiles
2)  a strong line
3)  an important port of yemen; located on the gulf of ____; its strategic location has made it a major trading center of southern arabia since ancient times
4)  the fourth day of the week; the third working day

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