What is the main function of the pancreas?

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s