Describe the rings of saturn, including their relative size and what they are made of.

Rings of Saturn are made up of dust and ice and they have a radius of some where between 60,000 to 80,000 km.

Explanation:

There are four rings in Saturn out of which only one is bright while rest all three are faint.

All these rings rotate at different speeds. The rings of the planet are composed of ice, rock coated materials and dust. The radius of the ring extends up to the extent of 3 lakh kilometer and have a depth of some 10 meters. These rings are named based on the order of their discovery such as A, B, C, D, E etc.  

b is dominant over the allele for the white fur.