Select the correct answer. The air inside a bubble gum bubble is at atmospheric pressure. Imagine someone continuing to blow into that bubble. What happens when the bubble’s volume is doubled? A. The number of air particles in the bubble is cut in half. B. The number of air particles in the bubble is doubled. C. The bubble’s temperature is cut in half. D. The bubble’s temperature is doubled.

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

All forces cause motion? true or false

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?