Which of the following terms describes the level at which a certain teratogen becomes harmful?

Laterborns are more likely to go to college and have higher scores on intelligence tests than firstborns

Indicate whether the statement is true or false

Which of the following can provide continuous feedback about energy usage to both consumers and their energy suppliers; thus, allowing electricity utilities to offer electricity at lower prices during periods of low demand?

a. smart meters b. ecological footprints c. carbon footprints d. carbon debt meters