Tissues are a group of working together to perform a specific job

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt