Coal-burning factories and increased automobile usage has caused the GREATEST increase in which of these? A)
air pollution
B)
nuclear waste
soil depletion
D)
water pollution
2)
In Germany, many of the trees in the forests are dying. This is because the waxy outer coating on their tree leaves is being
damaged by

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

About how many crusaders took part in the crusaders

Why are people in history willing to fight in conflicts against a more powerful oppressor?