18. If 50 mL of a 200 mL sample of 0.10 M sodium chloride solution is spilled, what is the
concentration of the remaining solution?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

The organs inside the body and how they function together