Which element shares the most characteristics with magnesium (mg)?

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.

How hot is the suns corona? (integrated science)

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.