What are the 3 lines for evidence for the earths relative age

I'm not exactly sure what you meant but i think you could figure out the earth's relative age with the seasonal rings and layers, earth and solar system from  radiometric dating and galaxies age from travel time of light. Hope this helped you!!

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i