If a student used 75 m l of a concentrated hydrochloric acid (HCl) stock solution to make 1.5 L of a 0.50 M HCl solution, what was the original concentration of the stock solution.

The study of witch tree monkeys feed in is part of the science life

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.

Compare and contrast refraction of light and sound will give brainliest