If you have a 2M NaCl stock solution, how do you make a 0.5M NaCL dilution?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin