It is in the noble gas group which has a full valence electron shell found in group 18
In the object that has, the least inertia.
C. They are what make up some elements and compounds.
Answer:
Option D
a new invention lowers the cost of production
Explanation:
When there is a new invention lowers the cost of production, the production is likely to increase since the time allocated is as previous. Therefore, the curve moves to the right, to indicate a positive direction