I am scared because im literally IN LOVE WITH HARRY POTTER sorry hes just so cute sometimes i cry into my pillow all night because hes not real it makes me so sad :( also free points

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.

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

What are the similarities between compounds and mixtures?