Which statement identifies a reason that the Anasazi of Chaco Canyon would have left the region at the height of their civilization in the early 13th century?

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

When approaching an emergency vehicle, law enforcement vehicle, or tow truck stopped on a two-lane road with a speed limit of 20 mph or less, you are required to a. slow down to 10 mph b. slow down to 5 mph c. stop and offer assistance d. pass the vehicle in an opposing lane, if safe