With a diameter that's 11 times larger than Earth's, Jupiter is the largest planet
If its asking the distance for the 65 db then use a proportion, if otherwise pleas clarify. It sounds like a pretty juicy conversation.
True, they had a hole in their hip socket that allowed them to run faster than other reptiles of their size at the time. As well as most reptiles besides reptiles had legs to the side, rather than under them like dinosaurs did.
Hope this helps!
Atoms diameter are on the order of 60 to 600pm (picometers). This is around 6*10^-11.
