If millions of tires have been worn down on the roads then where does all that worn off rubber go?

Question

If millions of tires have been worn down on the roads then where does all that worn off rubber go?

In: 7336

Answer 1

Lots of it floats in the air and it is breathed in, the rest settles on the ground where it gets moved around by rainfall and mixes into the soil or washes into streams, rivers, lakes, and the ocean.