The answer to your question would be C. Repetition.
Answer:
Every year hundreds of grade school students converge on Washington, D.C., for the annual Scripps National Spelling Bee. The “bee” is an elite event in which children as young as 8 years old compete to spell words like “cymotrichous” and “appoggiatura.” Most people who watch the spelling bee think of these kids as being “smart.”
What makes a person intelligent? Is it heredity (two of the 2014 contestants in the National Spelling Bee have siblings who have previously won) (National Spelling Bee, 2014a)? Is it interest (the most frequently listed favorite subject among spelling bee competitors is math)(NSB, 2014b)?
Answer:
a ballooon filled with helium if sealed properly
Explanation:
balloons filled with helium will get stuck in the atmosphere
In the system of voluntary restriction, if one person takes more than his or her share, it will ruin the system for everyone
