What do scientists generally do if they are not sure what the expected value of a measurement should be? a. use their best estimate for the true value b. stop the experiment and measure something else c. take the expected value from a different experiment d. decide not to measure the accuracy of the experiment

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?

C3h8o3 - glycerol major species present when dissolved in water

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit