Sinus hominem has cranial features that include a 1520 cc braincase, and enlarged nose passage for living in cold climates.
There are 4 pairs of sinuses. These are the frontal, maxillary, ethmoid, and sphenoid sinuses (not shown). Blocked sinus openings block the flow of mucus and increase pressure, causing pain and inflammation.
Maxillary Sinus: The largest of the maxillary sinuses, located behind the cheekbone near the cranial features. Sphenoid Sinus: The sphenoid sinus is located in the sphenoid bone near the optic nerve and pituitary gland on the side of the skull.
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Answer: Bays are thought to be formed by plate tectonic activity and erosion of coastline.
Explanation:
A body of water irregularly surrounded by land is known as a bay. And it is quite different from a gulf.
A bay is formed this way:
• when there is an erosion of the coastline into a large body of water. E.g Guanabara Bay.
• in pre-historic era, during active plate tectonic activity where continents drifts together and as they rift apart, there is the fomation of many large bays. E.g Bengal Bay.
