to cause to hold or exhibit a particular bias; to influence, especially unfairly: a tearful plea designed to bias the jury; a survey biased toward highly educated people. 11.
Moles are caused when cells in the skin, called melanocytes, grow in clusters or clumps. Melanocytes are distributed throughout your skin and produce melanin, the natural pigment that gives your skin its color.
While moles can be beneficial to the soil because they cultivate and aerate the dirt while tunneling for food, homeowners object to the unsightly molehills and tunnels that can destroy a beautiful lawn. According to the National Mole Hunters Association, moles can dig 100 feet of tunnels in a single day.