Answer: heredity; environment
Explanation:
There is a much better appreciation now for the influence that
environment (things like nutrition, schooling, enriched stimulation, etc),can have on intelligence - intelligence can change!
(reaction range is the name of the outer limits set by heredity)
C is correct the answer C is correct
Leaches were placed on top of the victim to remove "bad blood" what people did not know back then was that leaches remove 'good' and 'bad' blood alike.
They are east of the Marshalls if you only need one of the answers here.