Which of the following is the last step in performing a titration? a. finding out which ph indicator works b. determining the concentration of an unknown base c. finding the number of moles of product produced in a reaction d. determining the molecular masses of the products in the reaction

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

Which of the following is true about the speed of light? it depends on the wavelength.