Plz help, I am confused .

Which of the following list the divisions of the geologic time scale in order from longest to shortest

The compound cyanogen (cn), has covalent bonds shown in this diagram how many electrons are shared between one nitrogen atom and one carbon atom? nec-cen o two o three o six o seven mark this and retum save and exit next submit 10o e a

Advancements in technology include the development of new or better processes, techniques, equipment, and systems. which technology advancement is most related to the field of genetic research? alteration of dna to control crop development creation of vaccinations for diseases, such as polio invention of diagnostic imaging equipment establishment of the environmental protection agency (epa)