Answer: False
It is unclear what the effect of the environment is on a child's IQ. While some scholars argue that IQ is innate, some others believe that a child's IQ is dependent on his context. Regardless of whether this is the case or not, a child raised in substandard conditions will either see a decrease in his IQ, or will experience no change. He will not experience an increase in IQ.
B, he led the Norman invasion of England and defeated king Harold ll.
Circadian Rhythm? I might be completely wrong