Sunlight spectrum or prism refract light and create a rainbow (roy g biv) Red Orange Yellow Green Blue Indigo and Violet.
By using fossil fuels carhboreted
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
Hip. the shoulder and hip form the only ball an socket joints in the body.
