How many moles of carbon are in 7.87x10^7 carbon atoms?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?