Answer:
he body's first line of defense against pathogens uses mostly physical and chemical barriers such as sweat, skin, tears, mucus, stomach acid, and so on.
Explanation:
Yes, unless there are asymptotes.
Factors increasing erosion
Coastal erosion: the strength of the waves breaking along the coastline. Bigger, stronger waves have more erosive power.
Abrasion - rocks carried along by the river wear down the river bed and banks.
Attrition - rocks being carried by the river smash together and break into smaller, smoother and rounder particles.
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