What is the full meaning of DR. HERC

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.

What are transitions between a liquid and gas called? identify which way they are transitioning

How many moles are contained in 5.6 l of h2 at stp