The primary contributor of skin color is the pigment known as melanin. The quantity of melanin in the skin varies based on genetic factors and is also dependent on the degree of sun exposure. Melanin is produced by specialized pigment cells known as melanocytes.
Average new tires used on cars typically start with 10/32 to 11/32 of original tread depth. Tires are considered worn out. In most States when they reach 2/32 of remaining tread depth. Ans 2 - Here in Canada (and I'm sure in many parts of the US ) we get a lot of rain.
With Bad Weather on the Horizon, Now's the Time for New Tires. While most passenger car tires come new with at least 10/32 of tread depth, most people don't realize that once the tire has less than 6/32 of remaining depth, your wet road and snow traction capabilities dramatically decrease. Even if the tire looks like it has plenty of life left, do yourself a favorâ¦.