Determine if the following statements about the relationship…

Determine if the following statements about the relationship between energy, wavelength, and frequency of light are True or False.  As the wavelength of light increases, the energy of the light decreases. [1] As the frequency of light decreases, the energy of light increases. [2] A light with a frequency of 5.45 x 1014 Hz has a longer wavelength than a light with a frequency of 8.20 x 1014 Hz. [3]

31. Studying the effect of increased income can be difficult…

31. Studying the effect of increased income can be difficult because purposive social experiments are often not possible. However, your textbook notes a set of natural experiments on the effect of income, which were analyzed by economists, including Imbens, Rubin, and Sacerdote. In these studies, an increase in income came from