A marble has more density than an inflated balloon.
The leathery pad helps the camel because it prevents the camels feet from sinking into the sand.
B. Two significant figures
Your final answer can only have as many significant figures as the number that has the least amount of significant figures in it, which is (0.0065)
Neon belongs to 2nd Period & 18th Group
I think it’s B 5.54 x 10^2g