Silicon because it is abundant on Earth. Also, carbon and silicon are both building blocks of life.
I believe it's (A). It will double.
Explanation:
Charles law states that the volume of an ideal gas is directly proportional to the absolute temperature at constant pressure. (Charles's law).
Answer:
CH (92.2% C; 7.8% H), or just CH2
I would get a container and weigh it. Then I would put the bouncy balls in the container and weigh it again. Then I would Subtract the weight of the container without the bouncy balls from the container with the bouncy balls.