Answer:
A. determined by the environment
Explanation:
A because it gives historical details
I'm not completely sure what you mean my contrasts and contradictions but I'll try to help
When Jonas realized he could see color, it contrasted from the normal grey scale he and his community usually experience.
His new life contradicted his past life before his job assignment because he was told he could never lie but not with his job, he has the right to.
He also realized what the government was doing immorally and that contradicted his old view of his government, which was that they are faultless.
Sorry that's only three but I hope it helped
The answer is 27/4 Decimal Form: 6.75
