4) digestive and circulatory, because the bladder is part of the digestive system. The circulatory system carries blood around the body using blood vessels.
The answer would be fossils since they are they remains of past life forms
A wavy-haired parent can either contribute a C or an s, so two wavy-haired parents have a fifty percent chance of having a wavy-haired child, a twenty-five percent chance of having a curly-haired child, and a twenty-five percent chance of having a straight-haired child.
The last one, wind blowing for a long time wont cause much wind, but if the wind is short and choppy, it will cause the waves to be choppy.
It is D & E. Uranus is Helium & Hydrogen, And it has dark rings
