when you add heat to a liquid or gas what happens to the density and why?

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.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?