Borders may be added A paragraph above below to the left of in the middle of

If an improvement creates no significant change in a product’s performance, then it is a(n) ? a0 design improvement. (there are no answer choices)

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia

Negative methods of behavior correction include all but this: sarcasm verbal abuse setting an example for proper behavior humiliation