an electric current causes water to be transformed into hydrogen and oxygen gasses a physical change or a chemical change

Where are each of the three particles located within the atom?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Draw the structure for 5-isopropyl-2-methyl-3-nonene