Think about a hot air balloon traveling around the world in 11 days. How can a balloon travel so far so fast without an engine or other system on board to move the balloon horizontally

Why did chinese workers first come to america

Choose any two countries in the world, and briefly discuss the evolution of the government of these countries.

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?