Answer:
Having a specific set of possible values
In is a lot easier because it uses 10s.
No the sun is the biggest star in the universe.
Molybdenum in periodic table
or
Molarity definition
Answer:
A) Age!! Its because even if the object was 1 year old or 100 years old, nothing about the impact would change. However, those other categories depict features that would definitely make an impact. For example as object that is big, fast, and hits at an angle perpendicular to whatever it is moving towards, the impact will be very lage. But if its the opposite and it was small and slow, then the impact crater would not be as large. Good luck on your quiz!!