Which substance would be most suitable for row 3? sodium chloride (NaCl)
silver (Ag)
nitrogen
propane

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.

Compare and contrast physical changes with chemical changes.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)