Which element is malleable and can conduct electricity in the solid phase?
(1) iodine (3) sulfur
(2) phosphorus (4) tin

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.

Ab c or d ? i’m not sure what the answer is

At element makes up all organic compounds?