An increase in the concentrations of greenhouse gases in earth's atmosphere would have which of these effects on temperature? a. a decrease in average temperatures on earth's surface b. an increase in average temperatures on earth's surface c. an increase in average temperature in the upper atmosphere d. a decrease in average temperature within all earth systems

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.