Which of the following pathogens typically causes infections on the surface of the skin and nails such as athletes foot

Athlete’s foot is a communicable disease caused by fungi. They are often caught in communal places such as swimming pools and locker rooms. These fungi are from the tine pedis which is classified into three namely the trichophyton, epidermophyton and Mircosporum. It can be also infected from animals. This fungi is called hyphae, which cannot be seen by the naked eye

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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the answer is d. none of the above