Hurry, needed ASAP! Taking test right now. Thanks! (Will mark as brainliest)

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 is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Why is the structure of molecule important to its function?