Which radioactive isotope would you use to date a 2-million-year-old bed of volcanic ash that contains the footprints of human ancestor 1. Carbon - 14 dating
2. Uranium 238 - lead -206 dating
3. Potassium - argon dating

The location of the stomach is the diaprham

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now