During __________, children use their current schemes to interpret the external world, whereas in __________, children create new schemes or adjust old ones after noticing that their current ways of thinking do not capture the environment completely

The age of the mother is the variable that most often correlates with the likelihood of chromosomal abnormalities in the fetus

Indicate whether this statement is true or false.

While college students may sometimes be an exception, most humans sleep at night and are awake during the day. What maintains this relationship?

A) The eye relays messages to the brain about light levels, which synchronizes the circadian rhythms to the day-night cycle. B) People get more exercise during daylight, which promotes alertness and wakefulness. C) Ambient air temperature is cooler at night, which triggers the body to sleep. D) Our internal biological clock is synchronized with the day-night cycle when we are born.