Which of the following best describes the dew point? a. the distance above the surface at which dew forms b. the part of the total atmospheric pressure that is due to water vapor c. the mass of water vapor divided by the mass of air d. the temperature at which air becomes saturated

How have the russians responded to pollution and environmental challenges? a. russians largely ignore pollution and environmental damage. c. many russians have protested efforts to end pollution because it would mean people lost their jobs. b. russians have begun to focus on better resource management and protecting the environment. d. none of the above.