What is the term for an environmental agent that produces birth defects?

What would you expect to see on the EEG record of a person who is engaged in an episode of sleepwalking?

a) multiple K complexes b) very large sleep spindles c) evidence of deep sleep and relaxed wakefulness d) a record that is virtually the same as a daydreaming person

In a culture where children are discouraged from using their left hands and encouraged to use their right hands, you would expect to find

a. the same number of left-handed children, as you would find in a culture where right-handedness was not favored. b. fewer left-handed children than you would find in a culture where right-handedness was not favored. c. more left-handed children than you would find in a culture where right-handedness was not favored. d. many tools and utensils designed specifically for left-handed individuals.