Why is a percentage scale used for the x-axis rather than actual ages?

When does dna replication(make a copy of itself)?

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)